Trump’s order comes as new data show last month was the hottest March on record for a year without an El Niño episode. The National Oceanic and Atmospheric Administration says the average global temperature last month rose 1.8 degrees Fahrenheit—or 1 degree Celsius—above normal. The finding came as the Mauna Loa Observatory in Hawaii said atmospheric levels of carbon dioxide reached a record 410 parts per million this month. Climate scientists say the maximum safe level is 350 parts per million.
Atmospheric CO2 Levels Reach Record 410 Parts Per Million
HeadlineApr 28, 2017