The Guardian’s Karl Mathiesen presents 10 top reasons to be hopeful that humanity can dodge the worst effects of climate change. Topping his list: Renewed commitment from U.S. President Barack Obama, imminent carbon pollution controls in China, a two-thirds drop in solar costs over the last six years, fossil fuel divestment, Bangladeshi women retraining as solar technicians, and renewable energy accounting for “the lion’s share of new power.”