The first Earth Day also came at a time when a wave of legislation was being passed in the US, including the Clean Water Act, Clean Air Act and Endangered Species Act - the next 10 years were seen as the "environmental decade" because of such measures and the focus on green issues....
The world is struggling to manage growing piles of plastic waste, and a new report is bringing to light the problem of burning plastics. Annually, the world produces 440 million tons of plastic each year, but the majority of plastic is often tossed in the trash. CBS News senior national an...
Every year, humans destroy approximately 10 million hectares of trees, a land area roughly the size of Portugal.人类每年摧毁约1000万公顷的树木，大致相当于葡萄牙的国土面积。By destroying the world's forests, humans are eradicating one of the planet's primary carbon sinks.由于对森林的毁坏，人类正在...
When dinosaurs roamed the Earth 90 million years ago, the planet was much warmer, including Antarctica at the South Pole. But in a surprising twist, researchers have discovered evidence that Antarctica also supported a swampy rainforest at the time. Researchers captured a slice of the seafloor us...
The Earth is about 4,600 million years old. People live here for only 35,000 years. But we change the Earth in many ways. Many things we do are good, but some are not good for the Earth. A lot of people, birds and fish die each day because of water pollution. Factories pollute ...
Year in Review11 Apr 2025 Sea ice in 2024 Sea ice extent remained anomalously low in 2024. Annual mean Antarctic and Arctic sea ice extent was 10.38 million km2and 10.42 million km2, respectively, the 2nd and 7th lowest of the satellite record. ...
Overall, 250 million people are displaced. 30. Some affluent cities like New York and Shanghai attempt to adapt, elevating buildings and roadways. 31. Ten-meter-tall seawalls line the cities’ coasts. 32. Children learn about extinct sea life which once inhabited the ocean’s reefs, all of...
Radiometric dating and oxygen isotopes of Pilbara Craton zircons reveal early continent formation via seafloor hydrothermal alteration and subsequent shallow depth partial melting of mafic protcrust some 3565 million years ago. Michael I. H. Hartnady ...
解析 million 考查名词.根据语境"几百万年前,我们的地球完全不同",因为million加s的只有一种情况 millions of …意为"数百万的" ,考虑用提示词的原形形式.故答案为 million.几百万年前,我们的地球完全不同.根据提示词填空,先要通读句子,理解大意,再联系语境变换恰当的词形,方能正确解答....
In the last 500 million years, there have been five times when life on Earth has almost ended. A 2015 study by scientists 1 were based on Brown University and Duke University in the US, look at 2 quickly species die out due to natural causes. They found that human activity is causing ...