Achieving the Paris Agreement's temperature goals requires cutting global CO2 emissions 25 to 50 percent this decade, followed by a rapid transition to net zero emissions. The world is currently not yet on track so there is an urgent need to narrow gaps in climate mitigation ambition and policy....

The world has faced an increasing number of global shocks that have resulted in large and unpredictable changes in global prices, particularly of food. These increases, coupled with the negative impacts of shocks to economic growth, have had damaging effects on welfare, hunger, and diets. Future...