The shipping industry must make huge cuts in CO2 emissions in order to avoid the worst effects of climate change.
If we don't act fast and act big with a carbon tax, says Henry Paulson, we'll face a crisis that will dwarf the banking collapse.
A physicist is offering a cash prize to anyone who can disprove humanity's role in global warming. He's not too worried about losing any money.
It's called, appropriately, Climate Hawks Vote, and it aims to elect outspoken climate leaders to Congress, not just Democrats who quietly vote the right way.
Sep Kamvar's slick data maps help urbanites recognize the elements that they love, and the ones that need some tweaking.
A reader frets about dioxins in his topsoil. It's a dirty question, but somebody's got to answer it.
Roundup is losing potency as weeds evolve resistance. Seed companies want to move to other herbicides. Is farming stuck in a spray-rinse-repeat cycle?
The Omaha Public Power District announced that it will retire three coal units in the next two years -- thanks to public opinion and new regs.
"Barack Obama must become a global warming denier," says the Daily Show host. "We'd have cap-and-trade by the morning."
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.