VOA慢速英语--科学家称美国西部高温天气加剧野火

Scientists Say Hotter Weather Worsens Wildfire in Western US As temperatures rise in the western part of the United States, wildfires grow in size as well. The Associated Press has studied information on weather and wildfires from the last 35 years.

英语听力：织工马南.silas.mraner 04

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TED演讲:野火的必要性(1)

There was a time before our ancestors smashed flint and steel together, 很久以前，我们的祖先还未将燧石和铁器互击， when they felt the cold lack of fire in their lives. 他们因生活缺乏火而时感寒冷。 But anthropologist

TED演讲:野火的必要性(2)

But as the trees' pine cones mature to release their twirling seeds, 但当这些树木的球果成熟，释放它们随风旋转的种子 this signals a problem for the lodgepoles' future. 这预示了美国黑松将面对一个问题。 Very few of

美联社新闻一分钟 AP 加州野火导致多人丧生

This is AP News Minute. At least 29 people are now known dead in the destructive wildfire in northern California. That's as many as the deadliest wildfire in California history. Many more people are unaccounted for. The huge wildfire in Los Angeles,

美联社新闻一分钟 AP 加州北部野火导致42人丧生

This is AP News Minute. The massive northern California wildfire is now the deadliest wildfire in California history. At least 42 people are known dead and thousands of homes and other structures have been destroyed. The huge wildfire in southern Cal

野火的燃烧会造成汞污染

65 野火的燃烧会造成汞污染 ENVIRONMENT REPORT September 7, 2001: Mercury Pollution in WildfiresBy George Grow （Start at 59

美国有线新闻 CNN 美国加州野火持续肆虐 气候变化争论再起

We're getting you caught up today on something that's caused catastrophic damage on parts of California, wildfires. Firefighters are currently battling at least 10 of them across the state. That includes the Mendocino Complex Fire, the largest wildfi

强风继续助长加州野火

Strong Winds Continue to Fuel California Wildfires Firefighters continue to fight wildfires in southern California, including a new fire just north of San Diego. In the past five days, the fires have destroyed at least 500 buildings and forced 190,00

洛杉矶附近又起新的野火

New Wildfire Starts Near Los Angeles A dangerous wildfire has started in the Bel Air area of Los Angeles, California, as firefighters battle three other fires across Southern California. The latest wildfire reached the side of the busy Interstate 405

VOA慢速英语2017--加利福尼亚北部野火扩大

Northern California Wildfires Become Larger Wildfires continue to spread in northern California. American weather experts were predicting high winds and low humidity levels in the area on Thursday. Such conditions are making it difficult to stop the

TED演讲:野火的必要性(3)

That's well more than the 115-140 degrees that signal the moment when serotinous seeds can be freed. 这远远高于华氏115-140度，即晚熟球果种子能被释放的所需温度。 At those temperatures, the cones burst open, releasing millions

研究:气候变暖或引发更多野火

A warmer planet is helping to fuel more wildfires in the United States, according to a new study. Environmental scientists at Harvard University predict that by 2050, wildfire seasons will be three weeks longer, up to twice as smoky, and will burn a

与美国小学生一起学英文第4册 第10期:干旱

Drought 干旱 A drought is a long period of water shortage. 干旱是指长期的水资源短缺。 If we have no rainfall for a long time, we can face drought. 如果我们所在的地区长时间不下雨，我们就会面临干旱。 During a dro

VOA慢速英语2016--史上最强野火袭击加拿大

AS IT IS 2016-05-07 Thousands More Flee Huge Canadian Wildfire 史上最强野火袭击加拿大 At sunrise Friday, 1,500 vehicles began driving from camps north of Fort McMurray, Alberta to Canadian cities and towns further south. The drivers and pa

PBS高端访谈:科罗拉多野火迅速蔓延

KWAME HOLMAN: A Colorado wildfire forced evacuations of more than 7,000 people today, as it burned out of control in record heat and high wind. Officials said the big blaze may have destroyed 100 homes so far, with hundreds more in jeopardy near Colo

VOA标准英语2013--研究：全球变暖导致更多野火发生

Study: Warmer Planet Fuels More Wildfires 研究：全球变暖导致更多野火发生 A warmer planet is helping to fuel more wildfires in the United States, according to a new study. Environmental scientists at Harvard University predict that by 2