Former Secretary of State John Kerry has launched a group to tackle climate change. The cross-party, celebrity studded group have pledged to tackle the cause with “war like” zeal.

The initiative’s launch has coincided with the an international Climate Summit COP25 in Madrid on Monday. President Trump will send a low level delegation to the summit.

However Kerry believes Climate Change poses a global security threat. His new group called World War Zero, includes admirals, generals and celebrities like Leonardo DiCaprio and Sting.

Read More: France 24