Air pollution in Germany’s once-industrial Ruhr River Valley has come way down in recent decades. But to meet Europe’s new air quality standards — which go into effect in 2030 — there’s still a long ...

A relentless giant is stirring in North Africa. The Sahara Desert, already the size of the continental United States, grows ...

In 2026, the European Union will start charging a carbon-emissions-based tax on imported goods such as steel, cement and ...

Obstructive sleep apnoea symptoms may worsen for patients who live in areas with higher levels of air pollution, a new study ...

At the start of the new year, the world’s first carbon tariff will take effect. The EU’s Carbon Border Adjustment Mechanism will charge fees on certain imported products — and those fees will be based ...

Although the technology exists to separate these fibers for reuse, it remains in its early stages and is costly to scale. In ...

Chinese companies have pledged hundreds of billions of dollars in clean energy manufacturing investments overseas, but the ...

Earth keeps getting warmer because more energy from sunlight stays trapped in the climate system. Scientists refer to this as ...

As we look back at our international reporters' most memorable stories of the last year we revisit a story about how Europe ...

Radiative cooling technologies scatter heat and light into space, which could cut air-conditioning demand and keep people ...

The Europeans were characterized by U.S. Secretary of State Marco Rubio as “radical” activists and “weaponized” nongovernmental organizations.

Delhi’s air pollution crisis is complex. It reveals the limits of traditional leadership in tackling wicked problem of ...