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Alexander Ač

Excellent notice!

Good summary is provided also by Climate Central:




We are possibly in for a period of time in which global weather patterns are seemingly in turmoil as they re-establish and settle down into what will be the patterns of the 'new' weather set by whatever temperature the amount of released greenhouse gases dictates.
Areas that were once semi-arid could become wet and vice versa. There is no way of knowing at the moment just how it will pan out.
Exciting stuff.

I live in a very wet part of NW Europe and have recently moved to a house 300m above sea level there. I just hope this place sees some of the rain it currently enjoys in future.


Such a relentless wonder...every damn day.

You, I mean.



For anyone interested & for what it's worth...last month on Nova was as fine a "big picture" video presentation of earth's dynamic systems, patterns and interconnections as I've seen: Earth From Space


Seems to be an update of this from last year


Ken Barrows

You think it's volatile now? Just wait until the Arctic ice cap disappears one August day. Doomers say in a couple of years; others say quite a bit longer. Whenever it happens, one might want to consider adopting a hunting and gathering lifestyle.

John D. Wheeler

Thanks, this is very helpful. It makes perfect sense to me how global warming causes droughts, flooding, and heat waves, but I couldn't answer people why it would cause prolonged cold periods. I was thinking difference between this year and last might have had something to do with the large number of sunspots last year compared with very few this year. What you said makes a lot of sense.

Alexander Ač

Also Hansen's last column in his latest paper summarizes it well:

"The principal implication of our present analysis probably relates to the Faustian bargain. Increased short-term masking of greenhouse gas warming by fossil fuel particulate and nitrogen pollution represents a 'doubling down' of the Faustian bargain, an increase in the stakes. The more we allow the Faustian debt to build, the more unmanageable the eventual consequences will be. Yet globally there are plans to build more than 1,000 coal-fired power plants (Yang & Cui 2012) and plans to develop some of the dirtiest oil sources on the planet (EIA 2011). These plans should be vigorously resisted. We are already in a deep hole—it is time to stop digging."


Mike Roberts

Thanks for covering environmental issues more, Dave. I'm increasingly of the opinion that it is environmental (including resource limits) factors that will impact us more than economic factors. The environment doesn't respect human defined borders and it seems are beginning to bite everywhere.

I know it's weather, not necessarily climate, but climate change is also affecting us down under. Here in New Zealand, the whole of the north island has been suffering from drought for months (now doing so officially) and an area of the south island which normally has one of the highest precipitation amounts in the country has recently been declared as in drought.

Alexander Ač

Well, and we have another strengthening feedback to climate warming: ageing infrastructure of natural gas pipelines:

Researchers who mapped methane concentrations on the streets of the nation's capital found natural gas leaks everywhere, at concentrations of up to 50 times the normal background levels, they reported here last week at a meeting of the American Physical Society. The leaking gas wastes resources, enhances ozone production, and exacerbates global warming—not to mention powering the city's infamous exploding manholes.


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