Problems at the intersection of trade and climate often benefit most from broad engagement with as many countries as possible; rule innovation, however, tends to happen within smaller groupings of ...

Thousands of diplomats, scientists and activists are in Belém, Brazil this week for COP30, the annual United Nations climate conference. This year’s negotiations also mark 10 years since the approval ...

Climate change is no longer just about melting ice or hotter summers. It is also a financial problem. Droughts, floods, storms and heat waves damage crops, factories and infrastructure. At the same ...

Over the last several decades, governments have collectively pledged to slow global warming. Despite intensified diplomacy, the world is already facing the consequences of climate change, which are ...

In last week’s CCW I discussed why I thought no true progress in the effort to halt climate change will result from any agreement(s) ultimately produced at COP 30 in Belem, Brazil. I also described ...

President Donald Trump signed actions on the first day of his second term to pull the United States out of the Paris Agreement, an international climate change treaty in which nearly 200 countries ...

United States President Donald Trump announced yesterday the US’ withdrawal from the 2015 Paris Agreement, the landmark international treaty aiming to limit the rise of global temperatures to 1.5 ...

President Donald Trump signed an executive order on Monday for the U.S. to withdraw from the 2015 Paris climate agreement — again. Despite his 2017 order being versed by former President Joe Biden ...

President Donald Trump on Wednesday ordered the United States to withdraw from major global agreements, arguing they no longer “serve American interests.” “We seek cooperation where it serves our ...

Climate activists protest with coffins that read coal, oil and gas during the COP30 U.N. Climate Summit in Belem, Brazil, Nov. 15, 2025 (AP photo by Andre Penner). Why has this major diplomatic ...

Since 2015, conservatives and legal experts have questioned the legality of the United States joining the Paris Agreement without Senate approval. Both President Obama and President Biden justified ...