Guardian: In a new global warming pact, countries set out milestones over the next five years in a bid to bridge the gap between national targets and what science recommends. Climate offers from 187 out of 195 countries fail to cap warming to the upper limit of 2C this century. Instead the planet is set to heat up at least 2.7C, according to the UN. Thats why a global stocktake of pledges to reduce greenhouse emissions or intended nationally determined contributions is slated for 2018. And by 2020,...