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There is a very high risk,
. . . that under current emissions trajectories, and
. . . current national pledges,
. . . global warming will exceed 1.5°C above preindustrial levels.

Limiting global warming to 1.5°C,
. . . would require a rapid phase out of net global carbon dioxide (CO2) emissions, and
. . . deep reductions in non-CO2 drivers of climate change such as methane,
. . . with more pronounced and rapid reductions required,
. . . than for limiting global warming to 2°C.

With a 66% probability,
. . . [keeping the increase below 1.5 degrees Celsius]
. . . lies beyond our capabilities.”

Some experts suggest it will take,
. . . $100 trillion dollars to solve the climate emergency.
. . . Is that too high a price to pay to avoid extinction?

2-26-2018 Source:  #Global Warming: Below 1.5 Degrees?