Specialists, all 234 of them working for free, reviewed more than 14,000 scientific studies published since 2013 to draft the latest version.
For Jake Spring's latest contributions to The Japan Times, see below:
The technology involves large-scale interventions that shift the climate, generally with an aim of cooling the Earth.
Heat waves, droughts and torrential rains are set to become more frequent and extreme as the earth warms further, a U.N. climate science report says.
Public records show Brazil's president himself exploited an appeal system, running out a five-year statute of limitation on a fine for illegal fishing.
Brazilian researchers are seeking to learn how much carbon can be stored in different parts of the world's largest rainforest.
This massive fire is one of thousands of blazes sweeping the Brazilian Pantanal — the world's largest wetland.