Which two global crises did The Guardian Weekly highlight on August 22 as intensifying?

1. Volcanic eruptions and AI breakthroughs
2. Wildfires in Spain and Canada; rising sea levels in Tuvalu
3. Trade wars and economic reform
4. Oil shortages and cyberattack

The Guardian Weekly often highlights climate-related crises. Wildfires in multiple continents (Spain and Canada) and the existential threat of sea-level rise to island nations like Tuvalu are classic, intensifying consequences of climate change. These are tangible, ongoing crises with immediate and dramatic impacts, fitting the description.