Have we failed to slow global warming pollution in part because climate and environmental activists have been too polite and well behaved?
It's not all Obama's fault: His plans to rebuild America's energy infrastructure have been hampered by the recession, and his efforts on global warming have been stymied by Tea Party wackos and weak-kneed Democrats in Congress.
If you think Wall Street firms have it good, you haven't looked closely at Big Oil.
Bloomberg's $50 million is not going to revolutionize the electric power industry. But his willingness to fight is already inspiring others to see Big Coal differently.
In the Arctic, things are already getting freaky. Temperatures have warmed three times faster than the global average.
One thing you can say about nuclear power: the people who believe it is the silver bullet for America's energy problems never give up.
For better or worse, the bulk of coal industry jobs are in Appalachia - and when that coal is gone, so are the jobs.
Ethanol doesn't burn cleaner than gasoline, nor is it cheaper.
Climate change is a global issue - from the point of view of the Earth's climate, a molecule of CO2 emitted in Bejing is the same as a molecule emitted in Sydney.
Bloomberg is famously impatient with beltway politics and believes that to get anything done you need to work from the ground up.
Obama wants to be thought of as the president who freed us from foreign oil. But if he doesn't show some political courage, he may well be remembered as the president who cooked the planet.
You gotta love Rick Perry's swagger. The Texas Governor is out there in the Iowa cornfields, unabashedly going to toe-to-toe with President Obama, doing his best to instantly cast himself as the big dog in the Republican pack.
When it comes to climate and energy, Gates is a radical consumerist. In his view, energy consumption is good - it just needs to be clean energy.
With nine degrees of warming, computer models project that Australia will look like a disaster movie. Habitats for most vertebrates will vanish. Water supply to the Murray-Darling Basin will fall by half, severely curtailing food production.
New York City Mayor Michael Bloomberg, who also happens to be the 10th richest person in America, with a personal fortune of some $18 billion, likes to pick a fight - especially fights where the line between good and evil is particularly stark.
Not since the days of George W. Bush's 'Clear Skies' and 'Healthy Forests' initiatives has America been presented with a project as cravenly corporate and backward-looking as the Keystone XL pipeline.
This Dewdrop World is a beautiful, courageous, intimate film about love and loss. It may also be the deepest meditation on climate change that I've ever seen.
In the United States, we do a pretty good job of protecting iconic landscapes and postcard views, but the ocean gets no respect.
In the world of energy politics, the sudden vanishing of the word 'coal' is a remarkable and unprecedented event.
It may be too late for West Virginia to save itself from the ravages of Big Coal. But it's not too late for America.
Nowhere has the political power of coal been more obvious than in presidential campaigns.
Obama's record on climate issues is not all bad.
President Obama is in no danger of being judged by history as an eco-radical.
Among all the tests President Obama faced in his first term, his biggest failure was climate change.
Some studies have shown that natural gas could, in fact, be worse for the climate than coal.
