Climate Change (nasa)

Facts (source Nasa)

The Earth has changed

The Earth’s climate has changed throughout history.  The current warming trend is significance and we could through understanding, mitigate it’s impacts by mitigating our impacts 

Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000 years ago marking the beginning of the modern climate era — and of human civilization.

Why climate changes

Most of these climate changes are attributed to very small variations in Earth’s orbit that change the amount of solar energy our planet receives.

What is new?

The current warming trend is the result of human activity since the mid-20th century and proceeding at a rate that is unprecedented over decades to millennia

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