For the first time, voters could decide on state programs to address climate change and renewable energy.
The train is crossing the country teaching citizens about climate change - what it is, how international negotiations work, what can be done.
There's no return for Miami and New Orleans, but other cities can still be saved by quick emissions reductions.
Legal cases are building across the world to force serious action on climate.
Alaska needs money to move villages from the coast that are being engulfed by rising sea levels. The Answer? Drill for oil.
The airline, food, banking, and power industries all issued calls for action from world governments this week.
As expected, India's pledge emphasizes adding huge amounts of renewable energy while reducing emissions intensity.
Besides national cap-and-trade, China made other significant pledges on green building and transport.
Over 400 organizations will hold a press conference, urging Obama to halt all new fossil fuel leases on public lands and waters.
The amazing statements include the problems of endless growth and call for strong, binding action in Paris this year.