Authorities in Mexico City declared an environmental emergency on Tuesday after pollution reached potentially hazardous levels.

More than a billion Muslims around the world began to observe Ramadan this week.

The cyclone could be one of the strongest storms to hit the Indian subcontinent in decades.

Protesters are concerned that the proposed coal mine would pollute local resources and remove Native land title claims.

Climate change protests around the world are stopping traffic and leading to widespread arrests.

Protests in Sudan continued following President Omar al-Bashir's ouster, after the military dissolved the government and suspended the country's constitution.

As a result of repeated outages, millions of Venezuelans have suffered increasing shortages on basic supplies and services or have lost water completely in the past two weeks.

The agency said that, with government detention facilities overwhelmed, it had nowhere else to hold the families.

Communities across continents held vigils, protests, moments of silence, and prayer services.

"We are striking because if the social order is disrupted by our refusal to attend school, then the system is forced to face the climate crisis and enact change."

Turkish President Recep Tayyip Erdogan championed the construction of the mosque, which has a capacity of 63,000 people.

People took advantage of the warmth, but along with the mild weather came the eruption of multiple wildfires.

Questions remain over what will happen at the border after the United Kingdom leaves the European Union.

The ongoing protests, which have claimed at least nine lives, have been characterized by tire burning, road blockages, and violent crime.

Here's how the Year of the Pig began in different parts of Asia.

Although its effects have been bleak, the weather produced some stunning images.

The Catholic Church's youth rally has drawn 200,000 pilgrims from around the world to Panama City.

The strike, which began Monday, is the first in 30 years in Los Angeles, the nation's second-largest school district.

If the election results are accurate, this could be the DRC's first democratic transfer of power since the country gained independence from Belgium in 1960.

A group of 150 migrants had approached the border barrier in an attempt to cross, and, after the tear gas was fired, the clash escalated.

A series of drone sightings at London's Gatwick Airport caused over a hundred flights to be canceled or delayed as authorities struggled to respond to the potential danger.

This week, protesters calling for President Emmanuel Macron to resign filled the streets from Paris to Bordeaux.

One of the most urgent issues of our time is on the minds of world leaders this week.

International—and intranational—tensions are high in Buenos Aires.