Arctic tundra now emits planet-warming pollution, federal report finds
Arctic tundra, which has stored carbon for thousands of years, has now become a source of planet-warming pollution.
Striving for a sustainable Lifestyle
Nearly 3,500 sea lions in Peru have recently died of H5N1 bird flu, five times as many as previously reported
Bird flu has reached new corners of the globe and become endemic for the first time in some wild birds that transmit the virus to poultry