The amount of carbon dioxide in the atmosphere has jumped to its highest level in human history

The ways in which we view, produce and use food, energy and waste have to change completely

It’s a new year and we are all thinking of ways to fix ourselves. Our environmental reporter has a simple 15-step plan to help fix the world in 2015.

Key meetings unfolding in the coming week may determine whether a two-year effort to combat climate change will triumph or be written off as a flop.