A melting Arctic is opening the path between the Atlantic and Pacific -- which could mean potential disaster for ocean ecosystems.
Generous people have donated to help a man who used to have to walk 21 miles a day. But we need to fix the larger problem.
If it killed politicians instead of prisoners, this illness would be national enemy No. 1.
And by "become a vegan," we mean she wants you to pay her personal trainer $600 to spoon-feed you lentil bowls.
Your pick-up app might soon be hailing self-driving cars.
The latest numbers on electricity costs show that various forms of renewable energy are already competitive with fossil fuels, with costs expected to continue falling.
But don’t be fooled: California is still in the throes of serious drought that began way back in 2011.
Warning: The new Instagram account Everyday Climate Change could give you the sads.
The billionaires just squelched efforts to raise the gas tax, which pays to fix roads and bridges, saying money was being wasted on bike paths and transit.