Some 821 million people now face food insecurity, raising numbers to the same level as almost a decade ago. The situation is worsening in South America, Central Asia and most regions of Africa, according to the UN’s annual food security report. A resurgence in the use of “cover crop” and nanotechnologies may mitigate climate change impacts.
Many new initiatives were unveiled at Climate Week NYC this year, including pledges from businesses and countries to speed up the transition to electric cars and renewable energy. But, in the face of multiple disastrous global weather events and the unwillingness of the Trump administration to even admit climate problems exist, the sense of urgency is rising.