G20 environment plan laudable but will be too little too late

We need tangible results sooner than 2030 if we are to avert the worst effects of climate change, says Johan Rockström.

The leaders of the G20 countries head to Osaka, in Japan, this week, for their annual summit. United Nations Secretary-General, António Guterres, will address them, before travelling to Abu Dhabi to finalise the arrangements for September’s UN Climate Action Summit.