With COP27 about to get under way, which nations have taken a lead and which have fallen behind since the last UN climate summit?
Last November global leaders met at the UN climate summit COP26 in Glasgow to agree next steps to tackle climate change.
"This is the biggest investment in climate solutions in US history. It's a huge sign of progress," Dan Lashof, US director at the World Resources Institute, told BBC News. On Wednesday Prime Minister Rishi Sunak performed a U-turn from his earlier decision not go to to Egypt due to other priorities - experts say this has compromised the UK.
These changes may not fundamentally alter the UK's energy balance - but they "send the wrong signal", explains Robert Falkner, professor of International Relations at the London School of Economics.The European Union is historically progressive on tackling climate change, but Russia's invasion of Ukraine and the impact on energy supplies to Europe have undermined that.
But Prof Falkner considers the return to investing in fossil fuels a "temporary setback" and suggests the EU could take this opportunity to make itself energy secure by investing in renewables. It promises to reduce emissions intensity by 45% by 2030 - meaning it plans to reduce emissions per dollar. It also wants 50% of installed energy to be renewable. is a huge barrier to those ambitions, says Professor Navroz Dubash at Centre for Public Policy and UN climate advisor said.Workers prepare to load coal at the Jharia coalfield in Dhanbad in India's Jharkhand State
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