Flames raced across treetops and through drought-stricken vegetation as firefighters scrambled Wednesday to keep a growing California wildfire from reaching a resort city at the southern tip of Lake Tahoe after evacuation orders were expanded to neighboring Nevada.

Thick smoke from the Caldor Fire enveloped the city of South Lake Tahoe, which was all but deserted during a summer week usually bustling with tourists.

Weather disasters are striking the world four to five times more often and causing seven times more damage than in the 1970s, the United Nations weather agency reports.

But these disasters are killing far fewer people. In the 1970s and 1980s, they killed an average of about 170 people a day worldwide. In the 2010s, that dropped to about 40 per day, the World Meteorological Organization said in a report Wednesday that looks at more than 11,000 weather disasters in the past half-century.

- Op-ed by U.N. Resident & Humanitarian Coordinator for Lebanon Najat Rochdi:

"Over the last few years, Lebanon has been through immense challenges that have left no segment of its society unscathed. The country has been challenged by economic crisis, the COVID-19 pandemic, the Port of Beirut explosion, environmental disasters and prolonged political deadlock. These challenges have crippled Lebanon, obstructed its development and decimated its capacity to cope. To top it all off, in climate change Lebanon faces another challenge: a threat multiplier that will intensify current predicaments, and one that requires resolute action by the government and the people, both in the short-term and well into the future.

Tunisian farmers are turning to the past to ensure a future by planting indigenous seeds as the North African country suffers at a time of drought, disease and climate change.

Traditional seeds come from a genetic heritage best suited to the environment, said Maher Medini, from Tunisia's National Gene Bank, which promotes the development of sustainable agriculture in the country.

A ferocious wildfire approached Lake Tahoe just hours after roads were clogged with fleeing cars when the entire California resort city of South Lake Tahoe was ordered to evacuate and communities just across the state line in Nevada were warned to get ready to leave.

The popular vacation haven normally filled with tens of thousands of summer tourists was emptied out Monday as the massive Caldor Fire expanded to the north and south. Vehicles loaded with bikes and camping gear and hauling boats were in gridlock traffic, stalled in hazy, brown air that smelled like a campfire. Police and other emergency vehicles whizzed by.

Louisiana communities battered by Hurricane Ida faced a new danger as they began the massive task of clearing debris and repairing damage from the storm: the possibility of weeks without power in the stifling, late-summer heat.

Ida ravaged the region's power grid, leaving the entire city of New Orleans and hundreds of thousands of other Louisiana residents in the dark with no clear timeline on when power would return. Some areas outside New Orleans also suffered major flooding and structure damage.

U.S. climate envoy John Kerry met in Tokyo on Tuesday with Japan's top diplomat to push efforts to fight climate change ahead of a United Nations conference in November.

Foreign Minister Toshimitsu Motegi highlighted what he said was the importance of getting other major carbon emitters, especially China, to cooperate.

An oil slick believed to have originated from a power plant inside one of Syria's oil refineries could reach Cyprus' northeastern tip in the next 24 hours, the Mediterranean island nation's Fisheries and Marine Research Department said Monday.

The Department said the most recent computer model indicates the oil spill could affect Apostolos Andreas Cape in the breakaway north of ethnically divided Cyprus by late Tuesday.

In the freshwater swamp forest of Hlanzoun in southern Benin, majestic trees hum with chirping birds and playful monkeys.

Home to once bustling flora and fauna, experts now warn that the fragile environment, one of the last of its kind in the West African country and accessible only by canoe, is at risk of disappearing.

Syria's longest river used to flow by his olive grove, but today Khaled al-Khamees says it has receded into the distance, parching his trees and leaving his family with hardly a drop to drink.

"It's as if we were in the desert," said the 50-year-old farmer, standing on what last year was the Euphrates riverbed.