Nature World News: A dog walks over a drought hit plot of land on May 04, 2016 in Ben Tre Province, Vietnam. Vietnam's Mekong Delta had been hit by its worst drought in 90 years caused by the El Nio weather patterns and hydroelectric dams.
Climate scientists warned that levels of atmospheric carbon dioxide (CO2) is going to be at its highest this year.
Contrary to what experts have previously estimated, CO2 levels will exceed a benchmark of 400 parts per million (ppm) for the entire year, as measured atop Hawaii's...