The scientific community has warned that if greenhouse gas emissions keep increasing, the planet will reach a point of no return. Global warming will become catastrophic and irreversible.

The governments of more than 190 countries will be meeting in Paris on 7-8 December to try to reach a global agreement on climate change. Ahead of these COP21 climate talks, here are 15 world leaders talking about the imminent danger of climate change.

hollande31

hollande5

Merkel1

obama

obama2

popefrancis1

tutu

figueres

LAGARDEFINAL

jimjongkim

20150123-kim-02-19x10-Meme

APPROVED-AM15_Al_Gore_3_

_LA15_Tomas_Gonzalez_ copy

AF15_Meme_Paul_Polman (1)

Steven Chu R

Have you read?
Which countries emit the most greenhouse gas?
These countries are best prepared for climate change
Is climate change about to claim its first cities?

Author: José Santiago, Digital Content Specialist, Public Engagement, World Economic Forum

Image: A farmer walks on a dried-up pond on the outskirts of Baokang, central China’s Hubei province REUTERS/Stringer