? Car, truck and bus exhausts; Other operations that involve the burning of fuels such as wood, heating oil or coal and natural sources such as forest and grass fires. Fine particles can be carried ……

Women jump over a campfire during a celebration of the traditional Ivana Kupala holiday near Kiev, Ukraine, on July 6. During Ivana Kupala, people jump over burning campfires and bathe in a lake ……

last month. A fire has broken out in the Amazon. As of Aug 27, it had been burning for 22 days. This year, the Amazon has seen a record (创记录的) number of fires. Between January and August, there were ……

them the most deadly wildfires in California so far.Wildfires are uncontrolled (不可控制的) fires... and Australia. They are also known as forest fires or grass fires, or as bushfires in Australia ……

牙). It marks the end of their university life. Senior students have a traditional celebration called Burning...牙). It marks the end of their university life. Senior students have a traditional celebration called ……

美国加州为什么山火频发？美国加州为什么山火频发？California is burning! Wildfires have spread across the US state since Oct... (电力公司) cut power to about 206,000 homes in order to stop more fires from breaking out, CBS News ……

. However, this wonderful natural wonder is currently in danger. Thousands of fires have broken out... number of fires in 2019. Between January and August, there were over 74,000 fires – the highest ……

that height. How can people help put out the fire?Normally, firefighters have to enter the burning... will change.China has developed missiles that can be fired at high-rise buildings to put out fires, China ……

there for a weeklong music and art festival.Held since 1986, Burning Man is an annual (一年一次的) late-summer event... celebrates by burning a giant wooden “man”. That’s how the event got its name. “Burning Man is not only ……

Holiday, I was appalled to see piles of dried corn stalks burning in the field along the railway... smog. The fires not only worsened the already bad air but also caused traffic accidents ……

by a massive forest fire that is both burning acres of land and causing a ripple effect across Europe.Officials said Friday over 867 million square meters of woodland and peat bog were burning ……

throwing a burning cigarette out of a car window can start a dangerous fire. That is why summer is also... burning at the same time in New South Wales, a southeastern state of Australia. The Guardian ……

study. According to Science Daily, the study found that when trees are burning during a fire, they pop.... In fact, forest fires are a natural part of a forest’s regeneration system. Most forest trees need ……

Forest fires move faster uphill (上坡) than downhill (下坡). ……

found out the king had been saved and the traitor caught, they lit fires in celebration. This has... in the night sky and smoke from giantbonfires(篝火) floats across the land. All the noise and fires ……