NASA - Climate Approaching 'Dangerous' Point

NASA – Climate Approaching ‘Dangerous’ Point

[et_pb_section fb_built=”1″ _builder_version=”4.9.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.9.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.9.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_blurb title=”Melting Away” image=”https://uscentrist.org/wp-content/uploads/2021/02/NASA-Climate-Approaching_Dangerous_Point-Centrist_Party_News.jpeg” alt=”NASA – Climate Approaching ‘Dangerous’ Point” _builder_version=”4.10.3″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]NASA and Columbia University Earth Institute research finds that human-made greenhouse gases have brought the Earth’s climate close to critical tipping points, with potentially dangerous consequences for the planet.

Antarctic ice loss more than expected.

Tipping points can occur during climate change when the climate reaches a state such that strong amplifying feedbacks are activated by only moderate additional warming. This study finds that global warming of 0.6ºC in the past 30 years has been driven mainly by increasing greenhouse gases, and only moderate additional climate forcing is likely to set in motion disintegration of the West Antarctic ice sheet and Arctic sea ice. Amplifying feedbacks include increased absorption of sunlight as melting exposes darker surfaces and speedup of iceberg discharge as the warming ocean melts ice shelves that otherwise inhibit ice flow. The authors use the model for climate simulations of the 21st century using both ‘business-as-usual’ growth of greenhouse gas emissions and an ‘alternative scenario’ in which emissions decrease slowly in the next few decades and then rapidly to achieve stabilization of atmospheric CO2 amount by the end of the century. Climate changes are so large with ‘business-as-usual’, with additional global warming of 2-3ºC (3.6-5.4ºF) that Hansen concludes “‘business-as-usual’ would be a guarantee of global and regional disasters.” (More…) [/et_pb_blurb][et_pb_text admin_label=”Links Int-Ext” _builder_version=”4.9.10″ _module_preset=”default” link_font=”||||on||||” saved_tabs=”all” global_colors_info=”{}” global_module=”3716″]

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