Fears for future of Mexico City's 'green lung'

A major construction project in wetlands seen as one of the "green lungs" of smog-choked Mexico City has raised concerns for the future of the UNESCO World Heritage Site.

States, cities challenge Trump mileage standards rollback

Nearly two dozen states and several cities on Wednesday filed a legal challenge to the Trump administration's rollback of Obama-era mileage standards, saying science backed up the old regulations developed with the help of ...

Mine spill turns PNG coastline red

Papua New Guinea officials have sealed off the area around a Chinese-owned nickel plant in the north of the country after the leakage of potentially toxic slurry that has turned the ocean red.

US government unveils final Utah monument plan

The U.S. government's final management plan for land in and around a Utah national monument that President Donald Trump downsized doesn't include many new protections for the cliffs, canyons, waterfalls and arches found there, ...

Activists petition court to halt Japan dolphin hunt

Campaigners on Friday urged a court in Japan to halt so-called "drive hunting" of dolphins in the country as part of an unprecedented lawsuit that argues the practice violates Japanese law.

Uber's rocky road to global powerhouse

Uber, set to make its stock market debut in one of the largest technology share offerings, has become a disruptive force in local transportation and generated its share of controversies.

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