But experts say that you can't associate a specific environmental occurrence with climate change, so there's nothing conclusive on that front.

NPR: In Portugal Another Season of Forest Fires

The International Forum on Globalisation has released a new report telling us all about the billionaires who are both profiting from delaying our dealing with climate change and making fortunes while they do so.

FORBES: The Billionaires Who Benefit From Today's Climate Crisis

Heightened methane emission from wetlands and permafrost has regularly been touted as a potential amplifying factor in climate change, with warmer weather stimulating their release and so producing further warming.

BBC: Modest hopes for climate summit, as gas levels rise

So, even if SAARC really comes together to deal with the effects of climate change while the big players in the region and elsewhere fail to cut down their emissions, experts say it will be a zero-sum game.

BBC: South Asian bloc active at climate meeting

Good science and economics show that if we make decisions with climate change innovation in mind and we price fossil fuels so they are paying more of their full fare, we will end up wealthier as a world than if we ignore climate change.

FORBES: Richard Alley on Challenges, Choices and Climate Change

He says that his views on climate change and the environment are so strong that they led to clashes with senior staff at the company.

CNN: UK executive claims he was dismissed for being green

The issue of climate change is going to be with us for, you know, generations, so we've got to work on it.

FORBES: Business Out Front

Many of his announcements were reheated (such as bringing aviation into Europe's emissions-trading scheme), modest (the climate-change levy, an industrial tax, will rise with inflation) or so speculative as to be irrelevant (a suggestion that the target for carbon cuts might be raised to 80% by 2050 from 60%).

ECONOMIST: The revolution that wasn't

So, what we actually need to work out is what are the costs of having to put up with climate change?

FORBES: Why Wind Power Doesn't Work