Cleanup Efforts Underway After at Least 16 Tornadoes
About 16 tornadoes hit America's heartland including Colorado, Kansas and Louisiana with no injuries reported, and the worst damage was registered in Oklahoma.
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.