DeBriefed 3 July 2026: US faces scorching Independence Day | Record ocean temperatures | Vietnam’s EV surge

Welcome to Carbon Brief’s De Briefed. An essential guide to the week’s key developments relating to climate change. This week Heating up NOT FREE FROM HEAT: “Dangerous, record-breaking” heat altered plans for 4 July celebrations across the US this weekend, reported the Associated Press. New York and Boston hit 100F (37.8C) on Thursday, said the newswire. CNBC reported that temperatures of up to 105F (40.5C) are forecast in central and eastern parts of the country, with “daily, monthly and all-time records possible”. TEMPERATURES SOAR: Heat that hit western Europe last week spread east to “scorch” Germany, Hungary, Romania, Poland and others, said Bloomberg. Red warnings for extreme heat were issued in a number of nations, noted the outlet, adding that the heat “underscores how climate change is transforming summers in the world’s fastest-warming continent”. The Independent said last month was confirmed to be England’s hottest June on record. HEAT DEATHS: June’s extreme temperatures caused more than 2,000 excess deaths in Spain and France, reported the Guardian. The countries are bracing for further heat that “could bring temperatures of 44C (111F) over the coming days”, said the newspaper. Deaths in France rose almost 30% at the heatwave “peak” on the week of 22 June, according to Le Monde. Last week’s conditions also led to around 480 excess deaths in the Netherlands, reported Reuters. BOILING: Global ocean temperatures reached record levels for this time of year, reported NBC News, “fuelling fears of more dangerous heatwaves this summer and fanning concerns over the escalating global climate crisis”. Scientists told the Financial Times that this could lead the world towards “uncharted territory”. The newspaper said global average sea surface temperatures reached 20.96C on 21 June, exceeding June records for 2023 and 2024. Around the world GOAL DROPPED: The World Bank will “abandon” its goal to devote 45% of annual lending resources to climate-related projects