In good news this week: A new enzyme that fully breaks down PET plastics could revolutionize the recycling industry, plus more positive headlines.

In good news this week: A new enzyme that fully breaks down PET plastics could revolutionize the recycling industry, plus more positive headlines.

For the first time, an agency enforcing an international treaty directly blames a government for a gas attack on civilians. Now the world must act on Syria’s violation of global norms.