Global Warm­ing

The Economic Times - - The Edit Page -

To have a sig­nif­i­cant chance of keep­ing to­tal warm­ing be­low 2° C, we need to cut global emis­sions of car­bon diox­ide and other ma­jor green­house gas pol­lu­tants by more than 50% by mid-cen­tury. That rapid de­cline needs to con­tinue through 2100, by which time the world’s to­tal net emis­sions of green­house gases should be close to zero, if not be­low zero.…

The tran­si­tion to a low-car­bon econ­omy is inevitable this cen­tury, and it has al­ready be­gun. It will have sig­nif­i­cant con­se­quences for you and your fam­ily, whether the tran­si­tion comes fast enough to avoid dan­ger­ous warm­ing of more than 2° C or not…be­cause cli­mate ac­tion has been de­layed for so long, hu­man­ity can’t avoid se­ri­ous cli­mate im­pacts in the com­ing decades — that’ll af­fect you and your chil­dren.

There­fore, you need to un­der­stand what is com­ing so that you and your fam­ily will be pre­pared. The defin­ing story of the 21st cen­tury is a race be­tween the im­pacts our cu­mu­la­tive car­bon emis­sions will in­creas­ingly have on our cli­mate sys­tem and hu­man­ity’s be­lated ef­forts to re­place fos­sil fu­els with car­bon-free en­ergy.

Some of the most sig­nif­i­cant im­pacts of cli­mate change are ones that we likely have not fore­seen. For in­stance, a cou­ple of decades ago, few peo­ple imag­ined that the most con­se­quen­tial near-term im­pact of cli­mate change on large parts of the US and Canada would be the warm­ing-driven pop­u­la­tion ex­plo­sion of a tiny pest, the tree-de­stroy­ing bark bee­tle.

From “Cli­mate Change: What Ev­ery­one Needs to Know”

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