Living earth soil12/28/2022 ![]() ![]() Tropical rain forests are especially rich in biodiversity. Forests are home to more than two-thirds of all known land species. Every continent except Antarctica has forests, from the evergreen-filled boreal forests of the north to mangrove forests in tropical wetlands. Forests A forest is a large area covered with trees grouped so their foliage shades the ground. There are many different resources we need to conserve in order to live sustainably. When we use the environment in ways that ensure we have resources for the future, it is called sustainable development. Development and conservation can coexist in harmony. The benefits of development need to be weighed against the harm to animals that may be forced to find new habitats, the depletion of resources we may want in the future (such as water or timber), or damage to resources we use today. All these needs are valid, but sometimes the plants and animals that live in the area are forgotten. A business may want to build a factory or shopping mall on the land. A timber company may want to harvest the area’s trees for construction materials. For some people, a wooded area may be a good place to put a farm. The need to conserve resources often conflicts with other needs. The continuation of life as we know it depends on the careful use of natural resources. Billions of people use up resources quickly as they eat food, build houses, produce goods, and burn fuel for transportation and electricity. The population of human beings has grown enormously in the past two centuries. Through conservation, people can reduce waste and manage natural resources wisely. If used wisely and efficiently, however, renewable resources will last much longer. If resources are carelessly managed, many will be used up. Fertile soil is exhausted and lost to erosion because of poor farming practices. Forests are cleared, exposing land to wind and water damage. Once they are used up, they are gone f orever. Other resources, such as fossil fuels, cannot be replaced at all. Others, like large trees, take a long time to replace. Some of these resources, like small plants, can be replaced quickly after they are used. All the things we need to survive, such as food, water, air, and shelter, come from natural resources. Conservation is the practice of caring for these resources so all living things can benefit from them now and in the future. How can we use nutrients in a way that feeds our world without damaging the earth? Nutrients are an essential component of agriculture and plant growth yet can also harm and pollute ecosystems. A better understanding of nutrient accounting can be used to inform policies and actions for a sustainable healthy future.The Earth’s natural resources include air, water, soil, minerals, fuels, plants, and animals. How can we ensure that future populations will have access to clean and safe water? Advances in technology now allow the measurement of previously undetectable chemical and microbial contaminants throughout the water cycle, including in treated drinking water, but the implications of human exposure to them remain uncertain. ![]() A better understanding of the processes of exposure and mapping out pathways to limit exposure is necessary to improve global health and well-being. How can we reduce people’s exposure to harmful contaminants in air, water and soil? Across the world, a considerable amount of illness and disease is caused by contamination and pollutants, but some geographic locations and social groups bear a disproportionate burden of exposure. Living part of Earth’s surface / Soils / Plants and Crops / Ecosystems / Sustainability / Damage to these resources e.g. ![]()
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