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英検準1級要約環境
Many drinks and prepared foods are sold in containers that are thrown away after one use. To reduce this waste, some governments are considering deposit systems for reusable containers. Under such a system, customers pay a small extra amount when buying a product and receive the money back when they return the container. The collected containers are then washed and used again.
60〜70語 · プリントあり
英検準1級要約環境
Fresh water is becoming harder to manage in some cities because of population growth and changing weather patterns. At the same time, heavy rain can quickly overwhelm drainage systems. In response, rainwater utilization systems are spreading. These systems store water from roofs and other surfaces for later use, such as cleaning or watering plants.
60〜70語 · プリントあり
英検準1級要約環境
Forests cover large areas that are often difficult for people to inspect regularly. Damage caused by fires, disease, illegal logging, or changing weather may therefore remain unnoticed for some time. A new approach uses artificial intelligence (AI) to examine information from satellites, drones, cameras, and ground sensors. This method of monitoring forest conditions is attracting growing attention.
60〜70語 · プリントあり
英検準1級要約環境
Large amounts of plastic and other waste enter the ocean every year. Some of this rubbish floats near the surface and can remain there for long periods. To deal with the problem, some organizations are using special devices that collect floating marine waste. These systems may use barriers, nets, or machines to gather rubbish and remove it from the water.
60〜70語 · プリントあり
英検準1級要約環境
Forests are being lost or damaged in many parts of the world because of fires, logging, and environmental change. Planting trees by hand can require large numbers of workers and considerable time, particularly after widespread destruction. As a result, the use of drones for planting trees is spreading. These aircraft can carry seeds and release them over selected areas.
60〜70語 · プリントあり
英検準1級要約環境
When old buildings are demolished, large amounts of wood, metal, bricks, glass, and other materials are often thrown away. Recently, more construction companies and local organizations have begun recovering these materials for use in new buildings. This approach requires workers to remove useful items carefully instead of destroying everything during demolition, and the materials are then prepared for another project.
60〜70語 · プリントあり
英検準1級要約環境
Food manufacturers are looking for new sources of protein as concerns grow about the environmental impact of traditional livestock farming. One option is protein made from insects such as crickets or mealworms. These insects can be processed into powders or ingredients and added to products such as snacks, bread, or protein bars. This approach is attracting attention as a possible alternative to meat-based protein.
60〜70語 · プリントあり
英検準1級要約環境
As governments and companies search for additional ways to slow climate change, direct air capture, commonly called DAC, is receiving growing interest in many countries. This technology removes carbon dioxide directly from the atmosphere. Large facilities use chemicals, fans, and filters to separate CO2 from surrounding air before it is transported for long-term storage or other uses.
60〜70語 · プリントあり
英検準1級要約環境
Electricity demand is not equal throughout the day. Large numbers of people may use air conditioners, heaters, or household appliances at the same time, placing heavy pressure on power stations and local electricity networks during peak hours. To manage this demand, time-based electricity pricing systems that charge different rates according to the time of use are now spreading in many regions worldwide.
60〜70語 · プリントあり
英検準1級要約環境
Wastewater flowing continuously through underground pipes usually remains warmer than the surrounding outdoor air during cold winter months. New systems called wastewater heat recovery systems are beginning to capture this heat and use it in homes, offices, schools, or public buildings. Heat exchangers and pumps transfer energy from sewage without allowing wastewater to enter the building's heating system.
60〜70語 · プリントあり
英検準1級要約環境
Dry leaves, fallen branches, and dense vegetation can accumulate in forests and provide dangerous fuel for severe wildfires. To reduce this material, trained teams carefully burn selected forest areas under planned conditions. This practice, often called prescribed burning, is carried out by specialists when weather, wind, moisture, and soil conditions are considered suitable.
60〜70語 · プリントあり
英検準1級要約環境
Many factories release large amounts of carbon dioxide when they produce steel, cement, chemicals, or other goods. Carbon capture and storage, commonly called CCS, is attracting attention as a way to reduce these emissions. The technology separates CO2 from industrial gases, transports it through pipelines or ships, and stores it deep underground instead of releasing it into the atmosphere.
60〜70語 · プリントあり
英検準1級要約環境
Natural reefs give fish and other marine species places to feed, hide, and reproduce, but pollution, storms, and coastal development have damaged many of them. Some groups are responding by creating artificial reefs from recycled concrete, metal, and other suitable materials. Before being placed on the seabed, the objects are shaped, cleaned, and inspected for use in the ocean.
60〜70語 · プリントあり
英検準1級要約環境
Buildings often lose heat in winter and become too warm in summer, increasing the need for heating and air-conditioning. To address this problem, some architects are using phase-change materials, commonly called PCMs. These building materials absorb and store heat when temperatures rise and release it when temperatures fall. They may be installed inside walls, floors, or ceilings during construction or renovation.
60〜70語 · プリントあり
英検準1級要約環境
Fishing nets, lines, and traps are sometimes lost during storms or damaged while being used. Ordinary plastic equipment can remain in the sea for many years after it is abandoned. To reduce this problem, manufacturers are developing fishing gear made from materials that gradually break down in natural conditions but remain strong enough for normal use by fishing crews at sea.
60〜70語 · プリントあり
英検準1級要約環境
Groundwater supplies drinking water, supports agriculture, and is used by factories in many regions. When it is pumped out faster than nature replaces it, underground water levels can fall. Artificial groundwater recharge aims to return rainwater or treated surface water below the ground through ponds, wells, or special channels during periods when water is available, storing it for later use.
60〜70語 · プリントあり
英検準1級要約環境
Producing food creates greenhouse gases at many stages, including farming, processing, packaging, and transportation. However, shoppers cannot usually tell how much greenhouse gas was emitted before an item reached a store. Carbon labels are being developed to provide this information. The labels show an estimate of a product's emissions, often by using a number, letter, or color on its package.
60〜70語 · プリントあり
英検準1級要約環境
Many large buildings near the coast use electricity-powered air conditioners to stay cool. Recently, some have begun using seawater air-conditioning, or SWAC. In this system, cold water is taken from deep parts of the ocean and sent through pipes to a building. The seawater cools another supply of water, which circulates through the building and lowers the temperature of rooms without entering the rooms themselves.
60〜70語 · プリントあり
英検準1級要約環境
Solar panels are usually placed on roofs or on land used only for producing electricity. Another method, called agrivoltaics, involves installing panels above farmland while crops continue to grow below them. The panels are raised high enough for sunlight, rain, workers, and farming equipment to reach the fields. This approach is now being tested in a growing number of agricultural regions where suitable land for energy projects is limited.
60〜70語 · プリントあり
英検準1級要約環境
Large amounts of used clothing are collected by shops, charities, and local governments. Some items can be worn again, but damaged clothing is often burned or buried. Fiber-to-fiber recycling offers another option. In this process, old clothes are separated, cleaned, and broken down into fibers. The fibers are then used to make yarn and produce new fabric for clothing and other useful textile products.
60〜70語 · プリントあり
英検準1級要約環境
Many fruit and vegetable crops depend on pollination before they can produce food. Traditionally, this work is done by insects or by people who move pollen from one flower to another by hand. Recently, some farms have begun testing artificial pollination robots. These machines use cameras and sensors to locate flowers and then apply pollen with small brushes or other devices as they move through fields or greenhouses.
60〜70語 · プリントあり
英検準1級要約環境
Farmers in some regions face the risk of frost during cold nights. When temperatures fall too low, young leaves and flowers can be damaged, which may reduce the value of crops. One method being introduced is the frost-protection fan. These large fans are installed above fields and move warmer air from higher levels toward crops near the ground, helping prevent temperatures around the plants from falling too sharply.
60〜70語 · プリントあり
英検準1級要約環境
Desalination plants turn seawater into fresh water by removing salt. They are useful in dry coastal regions, but the process requires a large amount of energy. Most plants have traditionally depended on electricity produced from fossil fuels. Some new projects connect desalination equipment to solar or wind power so that fresh water can be produced with renewable energy.
60〜70語 · プリントあり
英検準1級要約環境
Researchers need accurate information about which species live in rivers, lakes, forests, and other natural environments. Traditionally, they have often relied on direct observation or captured animals for identification. Recently, environmental DNA, or eDNA, surveys have become more common. These surveys examine genetic material left behind by living things in water or soil, allowing researchers to look for signs of species without seeing the animals themselves.
60〜70語 · プリントあり
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