For years, scientists and policymakers have used a temperature increase of 2 degrees Celsius over pre-industrial levels as a target for the maximum rise in the global climate that Earth can sustain while limiting the catastrophic effects of climate change to the environment and to human populations.
Number of the Day
$18,142 - Average annual premium for a family health plan for the bottom 90 percent of income earners in 2016, including both employer and employee contributions. In 2016, health care premiums totaled 51.7 percent of average earnings for the bottom 90 percent, a 26.1 point increase over 1999. (Source: Economic Policy Institute)