Max Bearak

The world’s two biggest polluters were not invited to speak at a United Nations meeting designed to highlight effective action against warming.

It’s facing many of the issues that will be on display at upcoming climate summits.

The inaugural summit in Kenya’s capital, attended by tens of thousands, was imbued with frustration at Western financial institutions.

A big obstacle is the lack of loans, a subject of intense disagreement between richer and poorer countries. But in Congo, a hard-fought solar investment...

Regulators reached a provisional deal on how quickly the transition to zero-emissions fuels should happen for cargo ships, which often burn particularly dirty oil.

Nuclear power companies rely on cheap enriched uranium made in Russia. That geopolitical dilemma is intensifying as climate change underscores the need for emissions-free energy.

The hosts of the United Nations global climate summit later this year aim to give fossil fuel companies a bigger voice, despite loud objections.

Alaska’s controversial Willow project has drawn criticism, but a global analysis shows that it’s just one of hundreds of investments approved in the past year...

On Luiz Inácio Lula da Silva’s first trip abroad after winning last month’s election, he pledged to protect the Amazon rainforest and said Brazil was...

With an annual summit next month, the United Nations assessed progress on countries’ past emissions commitments. Severe disruption would be hard to avoid on the...