It was organized by California Gov.
Thousands of mayors, climate activists and business leaders from around the world descended Thursday on San Francisco to cheer on efforts to reduce global warming, even after U.S. President Donald J. Trump signalled his disdain for the issue. And we have to constantly raise our ambition.
The meeting of leaders from states and regions, cities, business, investors and civil society at the Global Climate Action Summit (GCAS), an initiative by California Governor Jerry Brown, underlined the transformational action they are already pursuing.
"America's a wonderful country".
A Global Green Bond Partnership, backed by the World Bank, International Finance Corporation, Amundi and major climate finance and sustainability groups was launched with the aim of supporting and assisting sub-national and corporate green bond issuance. Specifically, some studies suggest that by 2030, global greenhouse gas emissions could be lowered by as much as 1.5 to 2.2 gigatons (CO2e) every year if the commitments from almost 6,000 cities, states, regions and over 2,000 companies are fully implemented.
Perhaps the most significant sign of Brown's worldwide clout was the size of the Chinese delegation at the summit.
But so far such pledges have produced more talk than action, said Angel Hsu, an environment professor at Yale University and the National University of Singapore.
Hsu pointed out the symbolism of having China's top climate negotiator in attendance.
"California has led the way, as is so often the case", Gore told delegates.
A partnership between China and the USA paved the way for the Paris agreement under President Obama. Under Brown, California became the first U.S. state to sign a memorandum of understanding with the Chinese government in 2015 on regulating carbon emission. He said he was willing to negotiate a new climate change agreement.
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What does California's leadership mean?
The protesters were demanding more ambitious regulations. He points out that California's economy is bigger than most country's.
Trump said the agreement was unfair to the United States and would hurt the economy. It serves to advance California's Renewable Portfolio Standard, a piece of legislation that mandates the state be powered by 50 percent renewables by 2025 and 60 percent by 2030.
At the summit, Brown extracted dozens of new promises from states, cities and businesses to cut their own carbon pollution.
An organization says 27 major cities around the world have seen greenhouse gas emissions peak and decline.
"Liar, criminal, fool - take your choice", he added when asked what Trump's environmental legacy would be. "I think he'll be remembered, on the path he's now?"
Jointly organised by California governor Jerry Brown and former NY mayor Michael Bloomberg, the three-day gathering is a showcase for initiatives, big and small, to reduce humanity's carbon footprint. "We were actually shocked to find that the numbers were so low".
"When you look at the fires, the droughts, the hurricanes that are coming at us heavily, they're not coincidences", Robinson said.
Patricia Espinosa, Executive Secretary of UN Climate Change and summit co-chair, said: "This summit and its Call to Action make an important contribution towards achieving our collective goal: to keep global temperatures to 1.5 degrees Celsius in line with the Paris Agreement".
To keep from hitting that 2 degree mark, the world has to cut its expected annual emissions by almost 15 billion tons of carbon dioxide equivalent by 2030, including what's pledged in the 2015 Paris climate agreement. Brown compared the task ahead to climbing Everest a few times during the summit. Royko said that Brown appeared to be attracting "the moonbeam vote". She proposed this summit right after the Paris agreement was signed.