The Five-year Mean Global Temperature Has Been

'goals' And 'caps' On Carbon Emissions Are Practically Worthless, If Coal Emissions Continue, Because Of The Exceedingly Long Lifetime Of Carbon Dioxide In The Air.

What Has Become Clear From The Science Is That We Cannot Burn All Of The Fossil Fuels Without Creating A Very Different Planet.

The Most Difficult Task, Phase-out Over The Next 20-25 Years Of Coal Use That Does Not Capture Co₂, Is Herculean, Yet Feasible When Compared With The Efforts That Went Into World War Ii. The Stakes, For All Life On The Planet, Surpass Those Of Any Previous Crisis. The Greatest Danger Is Continued Ignorance And Denial, Which Could Make Tragic Consequences Unavoidable.

If We Drive Our Fellow Species To Extinction, We Will Leave A Far More Desolate Planet For Our Descendants Than The World We Inherited From Our Elders.

Only In The Last Few Years Did The Science Crystallize, Revealing The Urgency - Our Planet Really Is In Peril. If We Do Not Change Course Soon, We Will Hand Our Children A Situation That Is Out Of Their Control.