The Intergovernmental Panel on Climate Change (IPCC) in 2014 estimated that Earth's average surface temperature would likely rise by how much above preindustrial levels by 2050?
A)one-half degree Celsius
B)one degree Celsius
C)two degrees Celsius
D)three degrees Celsius
E)five degrees Celsius

Question

Quizplus · Accepted Answer

The IPCC's 2014 report projected that Earth's average surface temperature is likely to rise by up to two degrees Celsius above preindustrial levels by 2050 if significant measures are not taken to reduce greenhouse gas emissions. This projection is based on various emission scenarios and represents a critical threshold for global climate policy.

The Intergovernmental Panel on Climate Change (IPCC) in 2014 Estimated