Plans to fight climate change with trees hampered by seedling shortage, study says

This shortage is occurring as government and private funding is being invested in planting trees to cool cities, reduce air pollution and protect water.

200-pound rescued walrus calf receives round-the-clock 'cuddling'

A 200-pound walrus calf found alone and miles from the ocean on Alaska’s North Slope is getting bottle fed and receiving round-the-clock “cuddling" from animal welfare workers who are trying to keep the 1-month-old alive.

National parks and hundreds of other recreation sites are free to visit Friday

The National Park System includes parks, historic sites, monuments, recreation areas, battlefields and seashores. You can visit them all for free on Friday.

Watch: Eagle swoops down and catches fish midair, wowing onlookers

A bald eagle put on an impressive show for a man and his friends when it swooped down and caught a fish high in the air.

Los Angeles County community under quarantine due to invasive Tau fruit fly

In order to prevent further spread, residents living in the quarantine area are urged not to move any fruits or vegetables from their property.

Bear takes dip in Burbank swimming pool amid LA heatwave

Hot bear summer is in full effect as police in Burbank were called for a furry intruder in a swimming pool.

Traps removed near Yellowstone after no sign of grizzly bear that killed woman

Wildlife workers on Tuesday halted their efforts to capture a grizzly bear that killed a woman over the weekend near Yellowstone National Park after finding no sign of the animal since the day of the attack.