A European tax on goods imported from the United States would be certain to exacerbate trade tensions with the Trump administration.
"When a governor joins his or her state to the alliance, they make three commitments, one of which is that they will collectively meet their share of the USA emission reduction contribution to the Paris agreement", said Julie Cerqueira, the alliance's executive director.More news: Bopanna blasts AITA for change of captain, 'don't interfere', warns parent body
Earlier this week, the White House followed up on President Trump's June 2017 commitment for the United States to exit the Paris Agreement.
China, now the largest emitter of planet-warming pollutants, has made significant promises but Beijing's ability to deliver is still in question.
Pompeo said in his remarks on Twitter that the United States would still voice out in worldwide conferences on global warming.
Just over half of greenhouse gas emissions from power, industry, agriculture and deforestation - the main drivers of global warming - came from four nations previous year - China, the US, India and Russian Federation.More news: James Dean 'cast' in new movie, 64 years after his death
The US will continue to work with its global partners to enhance resilience to the impacts of climate change and prepare for and respond to natural disasters, Pompeo added. "Just as we have in the past, the United States will continue to research, innovate, and grow our economy while reducing emissions and extending a helping hand to our friends and partners around the globe".
Hundreds of local governments and businesses have made emissions pledges under a movement called We Are Still In, which hopes to show the world that Americans are behind the Paris Agreement even if the administration is not. The Paris agreement, as insufficient as it is, stands as a crucial step by world leaders to try to save us from ourselves.
The bill, spearheaded by her centre-left Labour-led coalition government, was passed with cross-party support from the main opposition National Party, despite changes promised by the latter if it wins the next election in 2020. There is no agreed approach on how to calculate the collective efforts to cut the emission levels by 2025.
The Paris Agreement by the United Nations Framework Convention on Climate Change (UNFCC) requires each of the 197 participating countries to strengthen the global response to the threat of climate change by keeping a global temperature rise this century well below 2 degrees Celsius above pre-industrial levels and to pursue efforts to limit the temperature increase even further to 1.5 degrees Celsius. Analysts warned that Trump's antagonism toward climate action might dampen further actions due to the absence of pressure. Trump has previously said that the agreement put "no meaningful obligations on the world's leading polluters" like China.More news: New Strain of HIV Discovered