. It’s time for us to make our mother planet healthy and clean.This year, the theme of the day is “Green Cities”. A green city is a healthy and pleasant place for people to live, according to the United ……

is “Green Cities”. A green city can get its energy from renewable sources (可再生资源) like the sun and wind..., many cities and countries find ways *to make themselves green. Chicago is well known for its green ……

. The theme of this year is “Green Cities”. A green city is a healthy and pleasant place for people to live... solar (太阳能的) and wind power. Also, it is connected by clean public transportation. Moreover, a green ……

Shanghai; it will be ready in 2030.Green trafficThe city's houses will be around shops, post offices... and school.There will be many more bicycle paths and walkways than in other cities. Buses in the city ……

机器人瓦力
is a small robot2. His job is to clean up the Earth. He is very curious3. He finds a lot of treasure..., another robot called Eva comes to the Earth. She comes to look for (寻找) green plants. They become ……

fresh water to drink and clean air to breathe," said China Daily.What is this Algae?Blue-green algae... to a blue-green algae (藻类) outbreak in Taihu Lake, China's third largest freshwater lake and the source ……

在家里换一个灯泡，改一改龙头，你一样能拯救地球。IT'S a big world out there, and keeping it clean is a big task. You may... can make a big difference.So if you're interested in going green, even just a little bit, don ……

浙江省获联合国“地球卫士奖”。Zhejiang province was one of the winners of this year’s Champions of the Earth Award, the United Nation’s highest environmental honor. Zhejiang won the award for its Green Rural ……

create a power station that can send clean, renewable electricity enough to power towns and cities... on Earth – the weather and nighttime. Researchers at the University of Strathclyde in Scotland ……

in three years. Other Chinese cities have vowed to follow its model and turn "green" in the future... & wind power electrical engineerOn the outskirts of future green cities, giant windmills will produce ……

of its height, but because it's "ultra green".Work began on the 71-story building in April... clean solar and wind energy. "We want to make it as sustainable as possible," said Roger Frechette, one ……

石油公司), there will be no coal (煤) to use on the Earth by 2158 and oil will dry up by 2050.Kids’ green tipsZhu Tingxuan, 13...保护环境，从我做起APRIL 22 is World Earth Day. It’s a day to remind (提醒) us to care about our planet (星球 ……

Can you find the following words about Earth Day in the box?earth energy (能源) recycle (再循环) pollution (污染)green protect (保护) reuse (再利用) environment (坏境) ……

is climate action. To celebrate this, the Earth Day Network organized the Great Global Clean-up event...Earth Day 2020 will take place digitally. TUCHONGEarth Day 2020 will take place digitally ……

action. To celebrate this, the Earth Day Network organized the Great Global Clean-up event...Earth Day 2020 will take place digitally. TUCHONGEarth Day 2020 will take place digitally ……