President Joe Biden and leaders of other G20 nations are gathering in India’s capital New Delhi for a weekend summit that will focus on international debt, food security and the climate crisis. Biden is meeting today with Indian Prime Minister Narendra Modi ahead of the summit. Chinese President Xi Jinping is not attending and has instead sent China’s premier to the gathering.

Ahead of the summit, the British charity Oxfam accused G20 countries of failing — by a wide margin — to slash greenhouse gas emissions below levels needed to prevent a climate catastrophe. Those fears were echoed by U.N. Secretary-General António Guterres earlier this week at the Africa Climate Summit.

Secretary-General António Guterres: “To the large emitters, to the G20 countries responsible for 80% of the emissions, that will be meeting this week in Delhi, assume your responsibilities. Developed countries must commit to reaching net zero emissions as close as possible to 2040.”