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Our changing climate: Global warming trends

 
 
Lash
 
Reply Mon 20 Feb, 2017 01:52 pm
I've read several articles about changing climates recently and thought it would be helpful to keep them in one place.

https://www.theguardian.com/environment/climate-consensus-97-per-cent/2017/feb/20/expect-to-see-more-emergencies-like-oroville-dam-in-a-hotter-world

Meanwhile, I can't remember how global warming became a political issue with sides...
 
Lash
 
  1  
Reply Mon 20 Feb, 2017 01:54 pm
Basic facts: http://www.conserve-energy-future.com/various-global-warming-facts.php
0 Replies
 
Lash
 
  1  
Reply Mon 20 Feb, 2017 01:58 pm
This one seemed a bit unsettling. Australia: too hot to live.

I have seen articles very similar to this one over the past few years...so, not new information, but consistent.

https://www.google.com/amp/s/amp.theguardian.com/australia-news/live/2017/feb/10/australia-weather-heat-power-outage-blackout-fire-danger-nsw-live?client=safari
McGentrix
 
  1  
Reply Mon 20 Feb, 2017 02:02 pm
@Lash,
Man! Even the AIR wants to kill you in Australia.
0 Replies
 
Krumple
 
  2  
Reply Mon 20 Feb, 2017 02:07 pm
@Lash,
Lash wrote:

Meanwhile, I can't remember how global warming became a political issue with sides...


Al Gore started it but here is why I think it's not as bad as they want us to believe. Al started his own carbon credit company. Remember when people would talk about your personal carbon foot print. That was a way to make you feel guilty so you alienate your guilt by giving Al Gore money. But he pollutes worse than three average families combined. With his two large houses, five cars and private jet. If he would been a hippy, solar panel and hydrogen generator type I could see him being legit but hes just the opposite. So I see it as an attempt to sneak in a tax on the people to make himself rich on bogus science he paid for.

There is counter science on the legit resource website called science daily where they said they used a temperature satellite to record global temperatures for Venus and Mars which also showed an annual increase in temperature averages identical to Earth. If human pollution is to blame for Earths climate change why are Venus and Mars global temperatures also risen?

They say it's due to an increase in the sun's light. The sun goes through cycles where it gets brighter and dimmer. Increase solar brightness means more solar radiation is absorbed by each planet rising their temperatures.

I'm not saying humans don't **** up the planet, I'm saying there is more to it than just human activity. Its solar changes that have drastic effects and we already know this from taking polar ice cap core samples that the Earth goes through cycles of warming and cooling regularly.

But to answer your question Lash.

Republicans are typically anti science. So they reject scientific claims and global warming is science based. But ultra leftist liberals are pro science and always buy political rhetoric even when it's lies. Hence you have a political issue since the late 90s.

I'm personally somewhere in the middle.
McGentrix
 
  0  
Reply Mon 20 Feb, 2017 02:30 pm
@Krumple,
Quote:
Republicans are typically anti science.


.... noooooooo! Republicans are typically anti science being used as a political cudgel. Science that has definite answers and Science that has definite opinions are not the same thing.
0 Replies
 
Sturgis
 
  4  
Reply Mon 20 Feb, 2017 02:43 pm
Global warming=Real

Human "innovations" speeding up the process=Real

The most that we can do is to slow the process, maybe even dial it back to where nature itself would have it.

How, why and when it became a political issue, doesn't much matter to me as long as it gets people thinking about his they can reduce their additives.


Comical and yet quite sad moments are those international conferences on the matter, where, people get on board airplanes and fly somewhere to meet in a large space with absurd levels of lighting, plastic bottles of water, air conditioning and plenty of other contributants to the man made part of the warming. In this day and age of high,tech computers and video conferencing, there is no reason for these fly-to conventions.
0 Replies
 
izzythepush
 
  3  
Reply Tue 21 Feb, 2017 08:02 am
The fossil fuel lobby made this a political issue. Big oil, big coal and big gas all stand to lose out with the increase of renewables.
MontereyJack
 
  2  
Reply Tue 21 Feb, 2017 12:43 pm
@izzythepush,
The first computer simulations, which could model all the known factors thaat determined weather and climate and vary them to ee what happened.preceded al gore by a decade. Crude as they were by todays standardds thry showed a strong warming trend due to greenhouuse gasses whuch toik the scientists by surprise and alarmed the fossil fuel industry wwhicch started funding their tame conservative sciece deniers who politicised it.
0 Replies
 
Lash
 
  2  
Reply Sat 27 Jul, 2019 09:01 am
https://www.google.com/amp/s/www.forbes.com/sites/priyashukla/2019/07/20/cancun-is-currently-under-siege-by-a-stinky-seaweed/amp/

What concerns me is that because the inundation of rotting seaweed on lucrative coastal properties is just compelling knee-jerk removal without careful thought about how that removal can compound the problem.

1. The seaweed has picked up poisons in the ocean.
2. People are burying it (it will most surely leach into the groundwater...)
3. People are trying to use it. The recycling ethos is a nice thought, but I doubt it’s passed safety testing. One company is fashioning sargassum into bricks. Are people living in sargassum houses safe?? Sargassum is being USED AS FERTILIZER (smh) It will poison every agricultural field it’s used in.

I don’t think this will end well.
0 Replies
 
Lash
 
  2  
Reply Sat 27 Jul, 2019 09:06 am
The Christians are probably freaking out more than usual this week.

The oceans are turning blood red, and now, swarms of grasshoppers...

https://www.google.com/amp/s/www.cbsnews.com/amp/news/grasshoppers-in-vegas-great-grasshopper-invasion-of-2019-stuns-tourists/

A migration of mild-mannered grasshoppers sweeping through the Las Vegas area is being attributed to wet weather several months ago. The insects are harmless but tourists were stunned by what some are calling the "Great Grasshopper Invasion of 2019."

"It was crazy. We didn't even want to walk through there. Everybody was going crazy," Diana Rodriquez told CBS affiliate KLAS. "We were wondering like what's going on."

One video showed shows thousands of grasshoppers descending on the Las Vegas Strip, the station reported.
0 Replies
 
hightor
 
  2  
Reply Sat 27 Jul, 2019 09:32 am
'No doubt left' about scientific consensus on global warming, say experts

Extensive historical data shows recent extreme warming is unprecedented in past 2,000 years
Lash
 
  2  
Reply Sat 27 Jul, 2019 10:16 am
@hightor,
It used to be infuriating to me when people denied climate change—and now, it’s just so sad. Like, what’s *wrong* with them. They’re missing a component.
0 Replies
 
livinglava
 
  0  
Reply Sat 27 Jul, 2019 10:20 am
@hightor,
hightor wrote:

'No doubt left' about scientific consensus on global warming, say experts

Extensive historical data shows recent extreme warming is unprecedented in past 2,000 years

When winter comes around, all the humidity churned up by the heat will create massive freezing storms in the northern latitudes and climate deniers will say they wish global warming would help with the winter cold.

People don't seem to realize that long winter nights in the arctic cause cooling regardless of how much CO2/methane/H2O is blanketing heat in the atmosphere. Average temperatures may be rising, but more heat means more water vapor circulating in the atmosphere, which means more fuel for fall and winter storms.

People also don't realize that when there is more heat/energy blowing cold air around in the north, that prevents the cold from concentrating and building up as permafrost. The winter can only produce so much cooling/cold, so if it's all being blown around and circulated, it can't settle down and bring the local temperature to record lows in the coldest spots.
0 Replies
 
hightor
 
  2  
Reply Mon 29 Jul, 2019 06:03 am
Human body ‘close to thermal limits’ due to extreme heatwaves caused by climate change, scientist says

Swathes of land could soon become uninhabitable amid catastrophic weather changes

Quote:
Extreme global temperatures are pushing the human body “close to thermal limits”, according to a climate scientist.

Record-breaking heat has swept through Europe this week with temperatures topping 40C in a number of countries.

However, in places such as South Asia and the Persian Gulf, people are already enduring temperatures reaching up to 54C.

Despite all the body's thermal efficiencies, these areas could soon be uninhabitable, according to Loughborough University climate scientist Dr Tom Matthews in The Conversation.

When air temperature exceeds 35C, the body relies on sweating to keep core temperatures at a safe level. However, when the “wet bulb” temperature – which reflects the ability of moisture to evaporate – reaches 35C, this system no longer works.

“The wet bulb temperature includes the cooling effect of water evaporating from the thermometer, and so is normally much lower than the normal (“dry bulb”) temperature reported in weather forecasts,” Dr Matthews wrote.

“Once this wet bulb temperature threshold is crossed, the air is so full of water vapour that sweat no longer evaporates,” he said.

This means the human body cannot cool itself enough to survive more than a few hours.

“Without the means to dissipate heat, our core temperature rises, irrespective of how much water we drink, how much shade we seek, or how much rest we take,” he explained.

Some areas – which are among the most densely populated on Earth – could pass this threshold by the end of the century, according to Dr Matthews.

There is already evidence wet bulb temperatures are occurring in Southwest Asia.

With climate change starting to profoundly alter weather systems, rising temperatures could soon make parts of the world uninhabitable.

If electricity can be maintained, living in chronically heat-stressed conditions may be possible but a power outage could be catastrophic.

In a recent paper published in Nature Climate Change, Dr Matthews and his team looked at the probability of a “grey swan*” event in the case of extreme heat coinciding with massive blackouts.

independent

*"grey swan event"
0 Replies
 
Lash
 
  1  
Reply Mon 29 Jul, 2019 07:34 am
There are people who are already trying to pinpoint some areas where:
It won’t be uninhabitably hot
Food will grow
Relatively safe from flood encroachment
Not too susceptible to massive migration routes

I’m already looking for a car cover to enhance protection. The kids, not green thumbs by any stretch, are studying around growing food, soil composition; preparing to grow some of their food.

edgarblythe
 
  4  
Reply Mon 29 Jul, 2019 07:40 am
A portion of a solution is to preserve what is left of the forests and to plant millions of new trees. To stop burning coal and using fossil fuels is another. To plug Fukushima and shut it down also. Just a few steps to begin with.
hightor
 
  2  
Reply Mon 29 Jul, 2019 08:05 am
@edgarblythe,
A Trillion Trees!

But there's something else — we've got to cut the rate of human population growth.
livinglava
 
  0  
Reply Mon 29 Jul, 2019 08:41 am
@Lash,
Lash wrote:

There are people who are already trying to pinpoint some areas where:
It won’t be uninhabitably hot
Food will grow
Relatively safe from flood encroachment
Not too susceptible to massive migration routes

I’m already looking for a car cover to enhance protection. The kids, not green thumbs by any stretch, are studying around growing food, soil composition; preparing to grow some of their food.

It will be increasingly hard to 'pinpoint' such areas, because heat is energy, so it powers its own migratory search for lower pressure areas to migrate into.

Think about the wet-bulb temperature mentioned in an earlier post. The bulb is evaporating because the heat blowing in and rising up from a hot area is causing evaporation.

The water being evaporated, however, is adding to humidity in the air and eventually it's going to build up somewhere and precipitate/rain/snow down.

As it builds up and tries to condense, however, it blankets heat because H2O is also a greenhouse gas. That means more heat keeps water from condensing/precipitating for longer. Eventually a storm will form, lighting will dissipate some of the built-up heat energy away, and precipitation will occur, often violently due to the huge quantity of water vapor that has built up in the sky.

The jet stream and other 'sky rivers' have been reported to be growing and weaving more due to higher levels of heat/energy, however, so these winding 'sky rivers' can snake around in a way that ground rivers can't because their paths are constrained by the solid contours of ground topography.

Sky topography is constantly changing and shifting as heat and pressure migrate around and alter the paths that wind, humidity, and clouds will take before/until they coalesce into a storm.

0 Replies
 
livinglava
 
  -1  
Reply Mon 29 Jul, 2019 08:48 am
@hightor,
hightor wrote:

A Trillion Trees!
But there's something else — we've got to cut the rate of human population growth.

Cutting human population (growth) can have the negative side-effect of reinforcing those patterns of unsustainable land use that have built up as a result of humans expanding further into their natural resources than they should have to begin with.

E.g. things like meat consumption, energy use, personal automobile use, etc. are all high per capita because humans were living and developing economic patterns that failed to consider population growth as well as a longer term future.

So even if the human population stopped growing, and that is unlikely because it is historically unprecedented, the stabilized population would continue gradually eroding the resource-base because they fail to put back more than they take, so to speak.

So the real solution is for everyone to think in terms of lifestyle choices that are sustainable because they feedback into the long-term planetary cycles in a way that does more good than harm. To use JFK's words, they should be asking not what the planet can do for them but what they can do for the planet (i.e. for future generations in perpetuity).

In other words, they should looking for how to live that will support permanent sustainability on all levels and then making the effort to actually live that way.
 

 
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