Global goals can deliver on 2C and new development finance – here's how | Owen Barder, Alex Evans and Alice Lépissier

Economic modelling suggests that a global emissions budget and trading scheme could tackle climate change and yield $416bn a year for poor countries

What if there were an affordable programme to prevent catastrophic climate change and provide the finance that developing countries need to end poverty by 2030?

With summits this week on the sustainable development goals and in December on climate change, this year marks the most significant push on the world's biggest challenges since 2005, the year of the G8 meeting at Gleneagles and the UN world summit.