Thirty black-footed ferrets reintroduced to their natural habitat after years of its use as a chemical weapons manufacturer are part of a government effort to expand the species from 300 to 3,000.
These are the first US waters to be newly designated as sanctuaries in 15 years.
The Environmental Protection Agency is slated to set a new national standard on ozone, much to the dismay of some companies and their Republican political allies.
Guadalupe fur seals are stranding themselves on Californian beaches at 8 times the normal rate and experts say warming waters are to blame.
The sea level extremes associated with the El Niño-La Niña cycle will only become more dramatic with continued climate change, say researchers.