Every day, everywhere, it’s getting hotter. The weather is more unpredictable, ice is melting, plants are disappearing and insects are appearing where they shouldn’t. These alarming trends aren’t new. There has been a lot of talk about the need to fight climate change, but disappointingly this has not been matched by action. Recently, however, there have been some changes that may yet herald the beginning of a new era in humanity’s fight against climate change.