The largest source of greenhouse gases in the coming decades will not be the US, Western Europe and Japan, but the developing economies of East Asia, Latin America and Eastern Europe. The coming eruption of carbon emissions from the poor world will dwarf any reductions in the North.

Unfortunately, very few people in America know the real name of Hurricane Katrina because the coal and oil industries have spent millions of dollars to keep the public in doubt about the issue.

Ultimately, I believe - because energy is so central to our lives - that a common global project to rewire the world with clean energy could be the first step on a path to global peace and global democracy - even in today's deeply troubled world.

Absent the rapid mobilization of climate advocates at every level - and the pooling of all their energy, creativity, and resources into a coordinated, no-holds-barred campaign - we will soon be crossing the threshold into climate hell.

Climate change is not an environmental problem. It is a civilizational problem. Climate change is not just another issue. If it is not addressed in very short order, it will swamp every other issue facing us today

The largest source of greenhouse gases in the coming decades will not be the US, Western Europe and Japan, but the developing economies of East Asia, Latin America and Eastern Europe. The coming eruption of carbon emissions from the poor world will dwarf any reductions in the North.

Our planet has run out of patience. So has our sense of justice. It is time to step it up - and up - and up - until we reach the only goal that really matters: peace among people and peace between people and nature.