Everyone who lives long enough is likely to experience back pain. And the cause isn't just aging. We have evolution to blame for a spine that's an engineering nightmare. Cheddar Explores how our spines changed to accommodate human bipedalism.
The office of Montana’s Republican attorney general is appealing a landmark climate change ruling that said state agencies aren't doing enough to protect 16 young plaintiffs from harm caused by global warming.
A coalition of environmental groups is calling on the federal government to enact emergency rules to protect a vanishing species of whale from lethal collisions with large ships.
