Global Warming - Real and Caused by People?

Real, Recent Global Warming?

Let's look at both global temperature and CO2:

Global temperature and CO2 since 1900


So global temperature and atmospheric CO2 are increasing together - could it be coincidence?

Maybe 20 years ago, but not any more:

Global temperature and CO2 since 1900


But has Temperature and CO2 been high before? Yes:

Global temperature and CO2 since 1900

These are changes that have happened over 100,000s of years. It's not natural for temperatures to changes this fast.

Here in the US we feel the heat these days.

US temperature increases

The cause is gases like CO2, put into the atmosphere by people, that absorb heat and warm the entire earth.

Email: thought@tvu.com

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Last updated: September 2020