What global policies have been made regarding global warming?

Question

Please state your source

Answer 1

All politicians say how bad global warming is and announce targets of co2 emissions then proceed not to do anything.   That is the official global policy.

Answer 2

Global policies are a myth.  From a practical standpoint, there is no way to get global agreement on anything.

Answer 3

I'm sure you've heard of the Kyoto agreement/protocol. This was made by many countries across the globe who contribute towards climate change. A few main countries disagreed, ome being the USA,  who decided to opt. out. They all agreed to lower their emissions to a certain level by a certain date.