Cleaning your plate may not help feed hungry children today, but the timeworn advice of mothers everywhere may help reduce food waste from the farm to the fork, help the environment and make it easier to feed the world's growing population.

    Hard data still being collected, but experts in Chicago said about 30% to 50% of the food produced in the world goes uneaten. The average American throws away 33 pounds of food each month—about $40 worth, which means each person throws away almost 400 pounds of food. The US Department of Agriculture says that 23% of eggs and an even higher percentage of produce ends up in the trash.

"We forget we have all these fresh fruits and vegetables, and at the end of the week we have to throw them away", said Esther Gove, a mother of three young children in South Berwick, Maine. "Now, I don't buy as much fresh produce as I used to."

    But the effect of food waste arrives far beyond the kitchen. Agriculture is the world's largest user of water, a big consumer of energy and major emitter of greenhouse gases during production. Experts say reducing waste is a simple way to cut stress on the environment and can ease pressure on farmers, who will be called on to feed an expected 9 billion people around the world in 2050, compared with nearly 7 billion today.

    No matter how sustainable (可持续的) farming is, if the food's not getting eaten, it's not sustainable and it's not a good use of our resources. In richer nations, fruit and vegetables end up in the trash because they aren't pretty enough to meet companies' standards, have gone bad in a home refrigerator or aren't eaten at a restaurant. In developing countries, much food spoils before it gets to market due to poor roads and lack of refrigeration. High food prices are another reason, since some people can't afford the food that's produced.

    Self-driving vehicles(车辆) will rely on cameras, sensors and artificial intelligence (人工智能) to recognize and respond to road and traffic conditions, but sensing is the most effective for objects and movement in the neighborhood of the vehicle. Not everything important in a car's environment will be caught by the vehicle's camera. Another vehicle approaching at high speed on a collision (碰撞) track might not be visible until it's too late. This is why vehicle-to-vehicle communication is undergoing rapid development. Our research shows that cars will need to be able to chat and cooperate on the road, although the technical challenges are still great.

    The usages of vehicle-to-vehicle communication contain vehicles driving together in a row, as well as safety messages about nearby emergency vehicles. Vehicles could alert each other to avoid collisions or share notices about passers-by and bicycles. From as far as several hundred metres away, vehicles could exchange messages with one another or receive information from roadside units（RSUs）about nearby incidents or dangerous road conditions through 4G network. A high level of AI seems required for such vehicles, not only to self-drive from A to B, but also to react intelligently to messages received. Vehicles will need to plan, reason, strategize and adapt according to information received in real time and to carry out cooperative behaviors. For example, a group of autonomous vehicles might avoid a route together because of possible risks, or a vehicle could decide to drop someone off earlier due to messages received, a foreseen crowding ahead.

    Further applications(应用) of vehicle-to-vehicle communication are still being researched, including how to perform cooperative behavior.

    In agreement with the Agenda of the First Global Employment of Beijing Organizing Committee for the 2022 Olympic and Paralympic, the applicants from Hong Kong, Macao, Taiwan and overseas who have passed the first qualification review will take a written examination. Below lists the relevant information:

    ⒈Date & Time

    April 15th, 2017 (Saturday), 9:00 – 12:30.

    The applicants are required to enter the examination room before 8:30 am.

    ⒉Location

    No. 23 Baiduizijia, Haidian district, Beijing (Capital Normal University Dongyi Zone)

    Exam Site No.6; Exam Room: C206

    ⒊Notice

    ⑴All applicants who have passed the first qualification review please log on Personal application center of the recruitment page (http://recruit.beijing2022.cn) to download and print the admission ticket from April 7th -15th 2017.

    ⑵All candidates shall bring the admission tickets and valid IDs (Mainland Travel Permit for Hong Kong and Macao Residents, Mainland travel permit for Taiwan residents, Foreign passport and etc.)

    ⑶Please prepare one's own writing materials including 2B pencil, eraser and black/blue pen.

    ⑷The candidates will not be allowed to enter the examination room if late for 30mins, and will be also prohibited to leave within 60mins since the entering into the room or 15mins earlier than the deadline.

    Kind reminder: Due to the heavy traffic near the exam location, parking space will be so limited that all candidates should take public transport.

    ⒋Transport Route

    ⑴Subway: No.9 subway to Baiduizi station exit A, 50 meters to North.

    ⑵Bus: No. 61 / 92 bus to Shouti South Road South Gate station, and 3 minutes' walk to the destination.

    Kind reminder: Capital Normal University Dongyi Zone is not located in the main campus of Capital Normal University, please plan your route properly.

Beijing Organizing Committee for the 2022 Olympic and Paralympic Winter Games

    April 7, 2017

    In the depths of the French Guianese rainforest, there still remain unusual groups of indigenous(土著的)people. Surprisingly, these people live largely by their own laws and their own social customs. And yet, people in this area are in fact French citizens because it has been a colony of the French Republic since 1946. In theory, they should live by the French law. However, their remote locations mean that the French law is often ignored or unknown, thus making them into an interesting area of “lawlessness” in the world.

    The lives of these people have finally been recorded thanks to the effects of a Frenchman form Paris called Gin. Gin spent five months in early 2015 exploring the most remote corners of this area, which sits on the edge of the Amazon rainforest, with half its population of only 250,000 living in its capital, Cayenne.

    “I have a special love for the French Guianese people. I have worked there on and off for almost ten years,” says Gin. “I've been able to keep firm friendships with them. Thus I have been allowed to gain access to their living environment. I don't see it as a lawless land. But rather I see it as an area of freedom.”

    “I wanted to show the audience a photographic record touching upon the uncivilized life,” continues Gin. “I prefer to work in black and white, which allows me to show different specific worlds more clearly.”

    His black-and-white pictures present a world almost lost in time. These pictures show people seemingly pushed into a world that they were unprepared for. These local citizens now have to balance their traditional self-supporting hunting lifestyle with the lifestyle offered by the modern French Republic, which brings with it not only necessary state welfare, but also alcoholism, betrayal and even suicide.

    Morning Environmental Education Program

    A fun environmental based activity program for kids will be held in the mornings at Camp Hawk. Curriculum(课程) is designed to be interactive(互动的). Fees are $60 and includes lunch.

    Camp Hawk is open to children of abilities; however, daily participation(参加) requires that a child be able to stay with the group while outside on adventures, as well as to listen to and follow directions from the counselors(辅导员).

    Topics Include:

    Tuesday: Kids will build a space station with legos(儿童积木), and build their solar system with bottle caps.

    Wednesday: Kids will learn about the importance of the mangroves(红树) to the Florida Keys and other areas of the world. They'll take a field trip to explore life in the mangroves, and make their own mangrove poem.

    Thursday: Campers will learn about the bottle nosed dolphin and the types of sharks that live in the keys. This session will also take them out of the classroom to the Dolphin Connection observation area.

    Friday: This day is all about reptiles(爬行动物). Kids will learn about "The mixed up Chameleon" activities and art project, Reptile "hunt" fieldtrip, and making lizard bracelets.

    Saturday: Campers will learn about all of the creatures of Florida by taking a fieldtrip to observe dolphins, fish, birds, reptiles, sharks, and insects. Create their own animal, make their own aquarium and feed the tarpon at the harbor.