1 . Scientists have calculated the total amount of plastic ever made: 8.3 billion tons. Looked at another way, that’s as heavy as 25, 000 Empire State Buildings or one billion elephants. And incredibly, almost all of it has been made in the last 65 years.

______ Much plastic is in the form of packaging which is used just once and then thrown away. According to a major new study from the University of California, 9% of this is recycled, 12% is completely burnt and 79% goes to landfill. And because most plastic is not easily disposed of, once it’s in the ground, it stays there.

It’s a situation that has led the paper’s lead author, ecologist Dr. Roland Geyer, to say that we are “rapidly heading towards ‘Planet Plastic’”. The team behind this report also estimate that eight million tons of plastic waste are escaping into the sea every year. This has caused concern that plastic is entering the food chain, through fish and other sea life which swallow the smaller fragments.

Of course, the reason why there’s so much plastic around is that it’s an amazingly useful material. It’s durable and adaptable, and is used for everything from yoghurt pots to spaceships. But it’s exactly this quality that makes it a problem. The only way to destroy plastic is to heat or burn it — although this has the side effect of harmful emissions.

So what’s the alternative, other than using less plastic? Oceanographer Dr. Erik van Sebille from Utrecht University says we’re facing a “tsunami” of plastic waste, and that the global waste industry needs to “get its act together”.

Professor Richard Thompson, a marine biologist from Plymouth University, says it’s poor design that’s at fault. He says that if products are currently designed “with recyclability in mind”, they could be recycled around 20 times over.

2 . A new study suggests classic paintings by well-known Impressionists Joseph Turner and Claude Monet may have been influenced by air pollution during the Industrial Revolution.

Scientists don’t know exactly how polluted the cities were during that time for lack of data. However, researchers say that examining the works of Turner and Monet can give a picture of long-term environmental change with the air pollution.

The study, published in Proceedings of the National Academy of Sciences by authors from Harvard and Sorbonne universities, analyzed 60 oil paintings by Turner from 1796 to 1850 and 38 paintings by Monet from 1864 to 1901. Scientists successfully measured painters’ representation (再现) of nature, focusing on the colors as well as differences in local weather patterns which influenced coloring. They significantly found that paintings composed in Britain generally feature a greyer blue sky than works in other parts of Europe.

Researchers particularly believe changes in local sulfur dioxide (二氧化硫) emissions from burning coal may explain changes in the color contrast and intensity (亮度) of Turner’s and Monet’s works, even after taking into account the artistic trends and subject matter of the time.

Generally, artists can historically accurately represent their environment. Turner and Monet were chosen because they are famous for their landscape and cityscape paintings and also because they were active during the Industrial Revolution, when air pollution grew at a rate never seen before.

Additionally, researchers say that since the air in London was much polluted, the cities would appear grey and dull to the eyes as well as in photographs. By comparing the paintings of Turner and Monet to photos from the era, they were able to determine the painting works were definitely influenced by the change in emissions.

The Palace Museum is becoming waste-free as the 720,000-square-meter structure has managed     1     (reduce) the number of rubbish bins to 110 sets in areas open to the public. This is a decrease from 310 sets     2     (record) in January 2020, when a zero-waste campaign     3     (launch), said the museum.

While protecting features of the six-century-old historical relic, the action also helps visitors and tourists get into     4     habit of creating less waste. Up to now, four types of rubbish bins have been equipped following Beijing’s regulations on the management of household waste. Cleaning staff also check them to make sure all rubbish is     5     (correct) sorted, which is later transported to different destinations for disposal (处理). The museum also recycled more than 32,000 plastic     6     (bottle) to make cultural and creative products between June 2021 and October 2023,     7     (mean) a reduction in carbon emission by 931 kilograms.

By launching the campaign, the Palace Museum is taking a careful, science-based way to waste management. The target is to minimize the production of waste     8     needs to be buried or burned and bring the amount of such waste as close     9     zero as possible.

So far, about 3,000 museum staff members, 40,000 tourist guides, and 21 million visitors     10     (participate) in the campaign.

4 . Plastic straws (吸管) have been a major problem in global discussions of environmental damage. Maybe because of their small size, the production cost of straws is low. In many countries, straws are offered freely after buying soft drinks. Therefore, plastic straws are one of the most used plastics and pollutants in the world.

The plastic straw is light and small. Due to their small size, plastic straws are often eaten by sea animals. Environmentalists have shown that the death of many sea animals is caused by eating plastic straws. The other damaging characteristic of plastic straws is that they are made of materials which cannot degrade. That means the materials cannot be changed into small harmless ones.

The most effective way of dealing with the environmental pollution caused by plastic straws is the reuse or banning (禁止) the use of plastic straws. Being plastics, the straws can be made into new items. Many organizations around the world change used straws into new products. In Africa, local communities collect used plastic straws and use them to make mats and bags. Another way of dealing with environmental pollution caused by plastic straws is placing a ban on their production and use. Experts advise governments to ban using plastic straws to save the environment. A few countries in the world, such as Rwanda, Macedonia, China, Kenya, have already banned the use of plastic bags and are expected to include plastic straws to save the environment. A few countries in the world, such as Rwanda, Macedonia, China, Kenya, have already banned the use of plastic bags and are expected to include plastic straws and bottles. But it will be a long way to do this effectively.

There are few environmentally friendly and biodegradable products to take the place of plastic straws. These products include paper straws and bamboo straws. However, such straws are usually expensive as their production cost is high. It’s still a question whether they can entirely take the place of plastic straws.