By Andrew Sheng and Xiao Geng HONG KONG — As the United States prepares for a radical course-correction on climate change, China is raising its game. Climate action has become yet another front in the competition between the world’s two largest economies.

By Mariana Mazzucato and Simon Sharpe LONDON — The United Kingdom is entering its deepest recession in 300 years. Millions of jobs are at risk. And national debt has exceeded 100 per cent of GDP.

By David Kaye and Jason PielemeierWASHINGTON, DC — As the European Commission’s recent Digital Services Act demonstrates, lawmakers around the world are scrambling, with good reason, to address the extremism, disinformation, and manipulation that have consumed the digital ecosyst

By Michael Chui and Matthias EversSAN FRANCISCO — In November, the United Nations World Food Programme and the International Organisation for Migration warned of the “unprecedented” threat to food security brought about by COVID-19.

By Jules Kortenhorst and Andreas KuhlmannDENVER — Around this time four years ago, the climate community was in shock.

By Sabine Christiansen and Sebastian UngerPOTSDAM — Today’s growing world population and a privileged minority’s rapidly rising living standards are driving resource consumption and waste production at a rate requiring the capacities of 1.7 Earths and fuels alarming levels of glo

By Bertrand Badré and Camille Putois PARIS — The COVID-19 crisis has revealed how intertwined all of our major challenges are.

By Bálint Magyar and Bálint MadlovicsBUDAPEST — Some details of the midnight budget deal cooked up between German Chancellor Angela Merkel, on behalf of the European Union, and the Hungarian and Polish governments remain hidden.

By Jonathan Woetzel and Jeongmin SeongSHANGHAI — Asia is a technological force to be reckoned with.