The Five-year Mean Global Temperature Has Been

...chief Executives Of Large Fossil Fuel Companies To [should] Be Put On Trial For High Crimes Against Humanity And Nature; [hansen] Accusing Them Of Actively Spreading Doubt About Global Warming In The Same Way That Tobacco Companies Blurred The Links Between Smoking And Cancer.

...99 Percent Confident That The World Really Was Getting Warmer And That There Was A High Degree Of Probability That It Was Due To Human-made Greenhouse Gases.

We Have At Most Ten Years - Not Ten Years To Decide Upon Action, But Ten Years To Alter Fundamentally The Trajectory Of Global Greenhouse Emissions... We Are Near A Tipping Point, A Point Of No Return, Beyond Which The Built In Momentum And Feedbacks Will Carry Us To Levels Of Climate Change With Staggering Consequences For Humanity And All Of The Residents Of This Planet.

As A Government Employee, You Can't Testify Against The Government.

We Have Known Since The 1800s That Carbon Dioxide Traps Heat In The Atmosphere. The Right Amount Keeps The Climate Conducive To Human Life.