Hard Numbers: Germany arrests suspected spies for China, Europe heats up, Biden nods to sun to win young votes, Major floods hit China and East Africa

3: Germany has arrested three German nationals suspected of spying for China. They’re accused of passing along sensitive military intelligence to the Ministry of State Security, China’s powerful spy agency. The timing is awkward, given that Berlin is trying to reset trade relations with Beijing.

2.3: If you’ve had a summer vacation in Europe recently, you may have felt like it was unbearably hot – that’s no coincidence. Europe is the fastest-warming continent on the planet, according to a new report from two leading climate-monitoring organizations. Temperatures there are now 2.3° Celsius above pre-industrial levels, per the latest five-year averages, compared to 1.3° Celsius globally. But Europe’s not alone: The entire planet’s surface temperature is rising.

7 billion: President Joe Biden celebrated Earth Day on Monday by announcing $7 billion in federal grants for solar power projects in residential areas that will power over 900,000 households in low-income and disadvantaged communities and help save $8 billion in energy costs, according to EPA estimates. Biden is promoting his environmental policy as he vies to woo young voters – a crucial voting bloc – at a time when many in this demographic express concern over the economy and outrage over his approach to the war in Gaza.

110,000: Flooding in China’s Guangdong province caused by heavy rains has seen 110,000 people evacuated from their homes. The extreme weather led over a million people in the province to lose power over the weekend. Flooding from relentless rain has also devastated East Africa, affecting over 200,000 in Burundi, one of the world’s poorest countries.