Food delivery apps are changing the way we eat

It’s raining, it’s dinnertime, and the fridge is nearly empty. Years ago, we made do; today, we order food through our phones. Within twenty minutes, we get whatever it was we were craving, we’re warm and dry, and there’s not a single dish to wash afterward.

Food delivery apps have altered the     1     of how eat, particularly in big cities. The industry is a complex machine; there’s Meituan, Ele.me, Hema…the list goes on. These companies are     2     and changing at a rapid rate, bringing on the rise of virtual restaurants and ghost kitchens, and customers who will never step inside a brick-and-mortar shop（实体店）.

Of course, these apps bring all types of cuisines around the city to our fingertips, but it comes at a cost. And one of the real environmental     3     lies in all that plastic and excess food.

In the US alone, packaging accounts for 30 percent of municipal solid waste. In 2017, that meant 80.1 million tons. Food delivery systems are likely     4     this huge number to rise. Durable materials like the plastics serveware is made from, are difficulty to     5     of.

Restaurant delivery is a global phenomenon – as is the impact on the environment. Meituan, one of the leading Chinese delivery platforms, delivered 6.4 billion food orders in 2018. It is estimated that China     6     1.6 million tons of packaging waste(containers, utensils, plastic bags) in 2017, nine times more than in 2015.

In the EU, University of Manchester researchers estimate, over two billion single-use takeaway containers are used every year. Most of those are not     7    . According to the European Commission, packaging, which includes plastic utensils, plates, and straws, make up 70% of all     8     pollution found in European seas.

Plastic bans,     9     packaging materials, and other efforts to cut down on waste are on the rise. Food delivery apps should, too, do their part to raise awareness for plastic pollution and     10     the gap between food waste and hunger.

Here’s to guilt-free flying

Maj a Rosen gave up flying a decade ago out of concern for its environmental impact. But when she became a mother and started hanging out with other parents, she didn’t bring it up, even when the conversation turned to flying. It would have     1     the mood.

Then in April 2018, her home country of Sweden     2     a tax on aviation (飞行).The climate impacts of flying were on the evening news and the mood changed. Rosen    3     the moment. With her neighbor Lotta Hammar, she launched a campaign called “We stay on the ground”, which has    4    10,000 people to commit to avoid flights in 2019.

Kudos. But here’s the     5     truth: in the grand scheme of things, barely anyone will follow suit. The     6     classes tend to have a lot to say about the eco benefits of avoiding meat, cycling and eating locally sourced food. But that     7     generally disappears when it comes to flying.

We can’t rely on international     8     to stop aviation emission either. Yes, the UN has fixed up a deal to cap aviation emissions beyond 2020. But it lacks real bite, allowing airlines to continue emitting carbon provided they offset (抵消)it.

All this means we could really do with green tech riding to the rescue. Here, at least, there is a little good news. Even rather simple measures like freeing planes to fly in straighter lines could     9     cut carbon emissions. Hybrid (混合动力的)electric aircraft are also the pipeline. And we already know that planes can mix up to 50 per cent biofuels into their tanks and fly safely.

It’s time to redouble our    10     to make planes green. In the meantime, if you are still looking for a New Year’s resolution, you might want to think about joining those 105000 Swedes.

4 . When you throw something in the recycling bin, do you think about what it could become? And when you do, does it make you more likely to use that recycling bin? Recently, a study was conducted in an effort to decide whether or not explaining to people what their recyclables are transformed into would help increase recycling rates.

The researchers started with a group of 111 college students, asked to draw on paper before watching one of three ads.One was a public service message that showed paper going into recycling bins.The other two also showed the paper either being transformed into new paper or a guitar.After completing a survey, the students were asked to deal with the paper when they left. Half of those who saw the first ad recycled their paper, while the recycling rate jumped to 80% for those who'd seen the other ads.

After doing a few more lab experiments, the researchers headed into the real world.At a party, volunteers spoke with attendees (出席者) about recycling, with half mentioning transformed products and half keeping it general.They discovered the subject of the talks came into play.After the game, the recycling and trash bags were weighed.Those who received a message recycled over half of their waste, while those who did not recycled less than a fifth.

All this is to say that details matter.People want to know what treasures their trash can become, and when that's laid out clearly, they' re more likely to do it.Perhaps recycling companies should redesign signs to describe the items being created.Recycling is far from a perfect solution,but it doesn't hurt to manage to improve its rates.

5 . Time is running out for coral reefs as the climate gets hotter. So scientists are searching the globe for corals that are better at enduring heat, Now, new research shows how those “super corals” can survive: less roommate drama.

Reefs depend on a crucial partnership between the corals and the algae (海藻) that live in the corals’ tissue, The algae make food for the corals using sunlight and in exchange, get a nice spot to live. But when oceans heat up, that relationship goes bad, and the corals kick the algae out, Without their roommates, corals can die, turning a ghostly white, bleached (白化) color.

Still, some corals seem to resist bleaching better than others, A new study shows that those corals depend on algae that are better at tolerating heat. Researchers hope that pinpointing these abilities will help develop new conservation tools to preserve the world’s reefs as temperatures rise. About 1/4 of all marine life rely on coral reefs in some way, along with half 1 billion people around the world also depend on reefs for their food and livelihoods.

“Heat stress can kill a lot of corals really fast,” says Kate Quigley, a research scientist at James Cook University and the Minderoo Foundation in Australia. “I hope that nature does have some mechanisms to get us through the next few years while we get our act together.”

While the hope is that those algae could also aid in reef conservation in the future, researcher Patrick Buerger says it’s likely that it wouldn’t help all coral species. And even the toughest corals can only endure so much. Currently, the world is on track for just under 3degrees Celsius of warming by 2100, a level that would wipe out nearly all coral reefs.

“The action has to be on climate change,” he says. “This is a short-term solution that might buy some time for corals to adapt. But the main focus has to be on climate. There’s not a silver bullet to the problem.”

6 . The Twenty-three-year-old Mumbai girl Vidhi Bubna is offering India’s first and only diving grant to explore the marine ecosystem.

Vidhi’s first diving experience turned out to be a heartbreaking one. While she expected a lot of colors underwater as she had seen on TV, Vidhi came across all white corals (珊瑚), which means they are almost dead from being bleached (褪色).

“It was very sad and I just started crying after coming out of the water,” she says.

Vidhi, an economics graduate from Ashoka University, did not enjoy working with numbers and turned to writing about social issues, including women’s rights and minority issues.

As an adventure lover, Vidhi went diving to explore the underwater beauty last year. Her disappointment at seeing dying corals led to the start of Coral Warriors, anon-profit organization that aims to raise awareness of marine protection and climate change.

“Nobody knows about climate change till they see it,” Vidhi says. The Mumbai-based organisation offers India’s first and only diving grant. The grant sponsors level-one scuba diving education in any location of their choice in India. While there is no specific standard, Vidhi says the selection process is strict, choosing candidates who are passionate about climate change and seeing that they do something of their choice. Four candidates have been awarded the grant so far and the organisation hopes to find at least five people every year.

“After the candidates return, we expect them to work on a climate change project of their choice, create communities, and work to create awareness and drive action-centric projects,” she explains.

Prior to starting coral warriors, Vidhi was hosting free online workshops to spread awareness of marine biodiversity and climate change, and has reached about 5, 000 people through them.

As a next step, Vidhi is planning to work on documentaries with high-quality underwater images and videos, considering not many can afford or have the courage to go diving to see what is happening underwater.

8 . In order to learn about advanced scientific technology and ideas for combating desertification, Rezaali Pakzad left the Iranian capital Teheran, in 2018, to study in Northwest China’s Gansu Province.

He is a 27-year-old doctoral student at Lanzhou University, focusing on soil desertification control. In his view, Iran, like other arid and semiarid countries, faces environmental problems such as desertification. When he did field surveys and research in Minqin county, Gansu, he found that the local desertification characteristics were very similar to those of his hometown.

“Minqin is between two deserts. From being “about to disappear” to being gradually green, from being ravaged by “sand devils” to being covered by vast green plants, the scientific and effective prevention and control methods of the Chinese government have greatly changed the county, and made me see the hope of improving the ecology in my hometown,” he says.

He believes that China has certainly contributed to the global effort to combat desertification, and that the Chinese contribution is worth learning from. China has developed advanced technology models, such as quicksand fixation and vegetation restoration, and protective forest systems along major transport routes, which have introduced more green to deserts.

Already among the top nations in the world in the field of combating desertification, China has shared its experience with other countries, carried out international exchanges and cooperation, and contributed to global desertification control, he says.

He believes he has made progress during his five years of living and studying in China. By learning more about the Chinese language and culture, he has adapted to life in China and enjoyed the help and sincere concern of his teachers, classmates and friends here.

He hopes to achieve a lot, at a high level, in his research field and to contribute to international exchanges and cooperation in desertification control. “I want to be an ‘ecological messenger’ by spreading green ideas,” he says.

10 . A rare wild flower is being re-established in Devon fields thanks to some four-legged helpers. A conservation charity called Planflife has employed donkeys as “ecosystem engineers”to encourage the return of the endangered small-flowered catchfly.

The catchfly was once found all across Britain but now it only grows in small areas of Wales and the south and west of England. Experts blame its decline on modern farming practices. The flower flourished around the edges of sandy fields where farmers grew their crops, but because of weedkillers that were used to remove “unwanted” plants, and fertilisers to boost crop yields, its habitat has largely disappeared.

Plantlife teamed up with the Donkey Sanctuary, a charity that looks after donkeys in the UK and around the world. It owns several farms across Devon and the UK, where it takes care of hundreds of rescued donkeys, as well as maintaining habitats for other wildlife. More than 20, 000 seeds have been scattered on fields at the sanctuary’s main Devon farm, and it is hoped that many will grow into plants this summer. They will provide food for threatened bird species such as linnets, yellowhammers and skylarks. Plantlife then aims to get the donkeys themselves involved, testing whether catchfly seeds benefit from being trampled into the ground as the donkeys take their exercise. Many plants have seeds that must be pressed into the soil in order to germinate.

“We’re incredibly grateful to partners like the Donkey Sanctuary who are helping these fantastically rare wild flowers come back from the edge of extinction,” Cath Shellswell of Plantlife told The Guardian newspaper. “We look forward to seeing small-flowered catchfly return and we are working with the sanctuary to ensure that this tiny plant has a thriving future. ”