California is set to launch a satellite to track greenhouse gases, as former US Secretary of State John Kerry and island nation leaders warned that the world is far off course to avoid the worst effects of rising temperatures.
The conference, which is hosting thousands of leaders, climate activists and business representatives, has already seen several other major commitments to cut carbon emissions. Mr Trump announced last year that he would be walking away from the Paris agreement, which commits nations to set ambitious plans to cut emissions.
California’s status as a progressive bastion on climate change action has been challenged by activists who attempted to barricade the way to a major summit in San Francisco and decried the oil and gas drilling they say is blighting the health of low-income and minority communities.
Political and business leaders gathering in San Francisco for a major climate change summit have committed to moving towards what was once a fantastical thought – the demise of the internal combustion engine in cars, trucks and other vehicles.
America’s Pledge – a group led by California Governor Jerry Brown and former New York Mayor Michael Bloomberg – will unveil how close the US could come to the climate pollution reductions the Obama administration promised the world in Paris in 2015.