With reference to the Agreement at the UNFCCC Meeting in Paris in 2015, which of the following statements is correct?

A. It was signed by all UN member countries and goes into effect in 2017

B. It aims to limit global temperature rise to 2°C (or 1.5°C) above pre-industrial levels

C. Developed countries committed to donate $1000 billion annually from 2020

D. Both 2 and 3

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