These images capture the moments that defined 2019 — the environmental challenges, victories, remarkable acts of courage, and displays of people power. As we look back on the year, it's clear there's a lot of work still to be done. It's difficult to pick just a few images among the over 35,000 images Greenpeace's photographers and videographers have made while covering the struggle for a green and peaceful future all around the world. Here are some of this year’s highlights, and a reminder of why we need to continue the fight.