Freshwater Explorer - US EPA
网页2023年10月17日 · EPA's Freshwater Explorer provides information about background and observed salt and mineral content for freshwater streams, lakes, and wells in all 50 U.S. states, Puerto Rico, and the U.S. Virgin Islands.
Conserving Fresh Water for Life on Earth - The Nature Conservancy
网页Explainer: Protecting Our Water (2:10) Hippos, spoonbills and pink dolphins, oh my! Freshwater habitats cover less than 1% of the planet’s total surface, and yet they are some of the most diverse in the world. Learn about the …
Clean Water Crisis Facts and Information - National Geographic
网页Freshwater makes up a very small fraction of all water on the planet. While nearly 70 percent of the world is covered by water, only 2.5 percent of it is fresh. The rest is saline and ocean-based...
Freshwater Ecosystems | Types of Freshwater - Earth Life
网页2023年11月6日 · Wetlands have saturated soils and adapted plant communities. Bogs, fens, marshes, floodplains, and swamps represent types of freshwater wetlands. High primary productivity and interchange between wetlands and other systems provide important ecosystem services. Wetlands filter nutrients, absorb floodwaters, and recharge …
Is the world running out of fresh water? - BBC
网页2017年4月12日 · Water demand globally is projected to increase by 55% between 2000 and 2050. Much of the demand is driven by agriculture, which accounts for 70% of global freshwater use, and food production...
Freshwater and Climate Change - MIT Climate Portal
网页2022年4月14日 · High consumption of freshwater for agricultural irrigation, industry, and domestic uses, together with our planet’s population growth, means that demand for water continues to grow. Climate change, which worsens droughts and floods, threatens our stressed freshwater supplies. Human activity has already warmed our planet by about 1 …
Our Planet | Freshwater
网页Dependable fresh water is the most precious resource on our planet. Without it, nothing can survive. Yet only 2% of the water on our planet is fresh water. Go on an interactive journey across our astonishing planet. Help us inspire the next generation to connect with nature and safeguard our planet.
Freshwater - WWF
网页The freshwater crisis in numbers. 2/3: Two-thirds of the world’s people face water shortages for at least one month each year. Half : Almost half the world's population will face severe water scarcity by 2030 without urgent action. 120 years: Since 1900 (just 120 years ago), we’ve destroyed two-thirds of all natural wetlands.
Why Is There Fresh and Salt Water on Earth? | Britannica
网页Most inland bodies of water remain fresh because they are continually replenished by precipitation and have at least one outlet to keep things moving through them, so the minerals in them do not reach high concentrations. However, the ocean collects all the salts from all the streams that flow into it, and, when water evaporates from the ocean ...
Fresh water - Simple English Wikipedia, the free encyclopedia
网页Fresh water that people can drink safely is called potable water. Desalination can turn salt water into drinkable water. What causes water scarcity is the mismatch between fresh water demand and availability. What this means is that there is fresh water available, but not always where it is most needed. [1] [2]