One of the world’s most sprawling and populated urban areas, at 3,000 square miles (about 7,800 square kilometers) and some 22 million people, the Mexican capital and surrounding cities were built atop an ancient lake bed. Many downtown streets were once canals, a tradition that continues in the rural fringes."
"“It damages part of the critical infrastructure of Mexico City, such as the subway, the drainage system, the water, the potable water system, housing and streets,” said Enrique Cabral, a researcher studying geophysics at the National Autonomous University of Mexico. “It’s a very big problem."
"US President Donald Trump has threatened to impose new tariffs on Canada after hundreds of wildfires have left much of the northern US covered by a blanket of smoke.
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"The United States is being unnecessarily invaded by filthy, polluted, and unhealthy air," Trump said, threatening to impose new levies over Canada's "willful negligence".
As of Saturday, there were about 955 fires actively burning in Canada, according to the Canadian Wildland Fire Information System - with the majority burning out of control.
More than 190 of those blazes are burning in Ontario, some out of control.
Trump said in his post to Truth Social that he would call Canadian Prime Minister Mark Carney to demand an explanation over his country's "willful negligence," accusing the country of "not properly maintaining" their forests and brush.