A new law in California sets a goal of phasing out all fossil fuels from the state's electricity system by the year 2045.
The laws, signed Saturday by Governor Jerry Brown, ban the construction of pipelines and other facilities in state waters that could transport oil and gas from an offshore platform.
The state will have to lean more heavily on wind, solar, geothermal, and hydroelectric power to reach its goal, as well as seek more ambitious battery build-outs and create incentives for dramatic changes in energy efficiency at the industrial, commercial, and residential levels.
Senate Bill 100, authored by state Sen.
Brown also announced plans for a carbon neutral bill, mandating that the state remove as much carbon dioxide from the atmosphere as it emits by 2045.
The new law comes days before Mr Brown hosts the Global Climate Action Summit in San Francisco. This is known as the California Renewable Portfolio Standard Program, and the goal for the use of renewable resources - such as wind and solar - had previously been set at 50 percent by the year 2030.
As Mexico, Canada, and other US states seek to lower emissions, North America will continue to be one of the largest energy storage markets in the world for many years.
The bill's ambitiousness is compounded by the executive order that Gov.
A report released by the state's energy commission estimated that in 2017 around one third of retail electricity sales in California came from renewable sources.
"If we do not change course by 2020, we risk missing the point where we can avoid runaway climate change", he said in a speech at United Nations headquarters in NY. "But it must be done", said Governor Brown.
JERRY BROWN: California has been doing stuff most of the world is just hoping they might get to someday.
The co-chairs of the San Francisco climate summit include former NY mayor and philanthropist Michael Bloomberg, UN climate chief Patricia Espinosa, and China's top climate official, Xie Zhenhua.
Business groups also opposed the measure amid concerns that it would raise the price of energy and, together with California's other environmental and labor protections, make it hard to compete with firms in other states.
California is the most populous state to agree to such aggressive decarbonization and only the second state to formalize such a pledge in legislation, after Hawaii. He continued, "California is committed to doing whatever is necessary to meet the existential threat of climate change".
As an interim step toward the goal of 100 percent renewables, the bill would increase California's clean energy goal to 60 percent by 2030.
California already gets a substantial portion of its electricity from renewable resources. "While some are talking about climate solutions and green jobs, California leaders like Senator Kevin de León are making solutions real".