Consider the following statements regarding the 2015 Paris Agreement at the UNFCCC meeting:

1. It was signed by all UN member countries and took effect in 2017.

2. It aims to keep the rise in average global temperature well below 2 degrees Celsius, pursuing efforts to limit it to 1.5 degrees Celsius, above pre-industrial levels.

3. Developed countries committed to mobilising 1000 billion US dollars a year in climate finance for developing countries.

Which of the statements given above is/are correct?