In the United States, we do a pretty good job of protecting iconic landscapes and postcard views, but the ocean gets no respect.

The idea that human beings have taken a few steps closer toward asserting control over the Earth's climate is likely to strike you as a really bad idea.

Drill everything, mine everything, roll back regulations, tweak the science, expedite permits. Sound familiar? The Republicans offer up more 19th-Century solutions to our 21st-Century energy problems.

The biggest tab the public picks up for fossil fuels has to do with what economists call 'external costs,' like the health effects of air and water pollution.

It is personal - deep in my bones and my flesh - the knowledge that we squandered our chance to avoid the climate emergency; to act when it would have been so much easier, as we did to stop acid rain, to save the ozone layer.

Ted Turner is still a leader. And he sets a great example. His ability financially has been reduced, but his influence and his example still is an important asset to the whole environmental movement.

There has been, and there will continue to be, vigorous discussions about race in America. I worry that little will come of these discussions because we aren't addressing what must be done to change the current racial climate.

Some argue that now isn't the time to push the green agenda - that all efforts should be on preventing a serious recession. That is a false choice. It fails to recognise that climate change and our carbon reliance is part of problem - high fuel prices and food shortages due to poor crop yields compound today's financial difficulties.