Idea Transcript
Scroll Down To Continue t
https://www.nationalgeographic.com/environment/freshwater/pollution.html
Reference
Water Pollution Learn about the effects of pollution on freshwater.
Discharge from a Chinese fertilizer factory winds its way toward the Yellow River.
As technology improves, scientists are able to detect more pollutants, and at smaller concentrations, in Earth’s freshwater bodies. Containing traces of contaminants ranging from birth control pills and sunscreen to pesticides and petroleum, our planet's lakes, rivers, streams, and groundwater are often a chemical cocktail. Beyond synthetic pollution, freshwater is also the end point for biological waste, in the form of human sewage, animal excrement, and rainwater runoff flavored by nutrient-rich fertilizers from yards and farms. These nutrients find their way through river systems into seas, sometimes creating coastal ocean zones void of oxygen—and therefore aquatic life—and making the connection between land and sea painfully obvious. When you dump paint down the drain, it often ends up in the ocean, via freshwater systems. In the developed world, regulation has restricted industry and agricultural operations from pouring pollutants into lakes, streams, and rivers. Technology has also offered a solution in the A Running List of How Trump Is Changing the Environment
form of expensive filtration and treatment plants that make our drinking water safe to consume. Some cities are even promoting "green" infrastructure, such as green roofs and rain gardens, as a
The Simple River-Cleaning Tactics That Big Farms Ignore
way to naturally filter out pollutants. But you may find a different picture in parts of the
To Save the Oceans, Should You Give Up Glitter?
to deal with the barrage of pollution threats facing freshwater and all of the species that rely on it.
developing world, where there is less infrastructure—politically, economically, and technically—
Sponsored By ZergNet
15 Famous People Who May Never Have Existed
The Real Reason Why There Aren't Any Snakes in Ireland
Study Reveals After You Die, Your Brain Knows You're Dead
The Untold Truth of Steve Irwin
Mystic Who 'Predicted' 9/11, ISIS, Had Two Predictions for 2018
Man Who 'Saved' Rabbit From Wildfire Probably Made Things Worse
Notorious Bat Killer Found to Have a Weak Link Doses of ultraviolet light destroy the fungus that causes white-nose syndrome, scientists say.
Lost Native American Ancestor Revealed in... Study of 11,500-year-old bones offer surprising clues about the origins of New World genetic...
Bomb Cyclones and Polar Vortexes —This Winter's... What's behind the recordshattering cold heading our way?
Mystery of 'Alien Megastructure' Star Has Been... Twinkle, twinkle, Tabby’s Star: Dips in brightness so bizarre. Could it be we’ve found ET...
How Fear Makes You Do Good Or Evil An ancient part of your brain determines your response.
Immigrants Find Homes in Colorful, Floating Villages Photographer Alina Fedorenko documents the daily lives of villagers living in Cambodia's...
6 Surprising Things You Didn't Know About... As tensions between North Korea and the U.S. mount, curiosity about what life is like there has...
First-of-Its-Kind Brain Surgery Saves Beloved... Ziggy Star was found stranded off the coast of California with a debilitating brain disease. Now...
World's Oldest Known Wild Bird Lays Egg at 67 Wisdom is a "beacon of hope" for the Laysan albatross, which faces threats such as ingesting ocean...
Orphaned Baby Elephant Saved by Helicopter Although they're normally too large to fit inside helicopters, this undersized, premature calf went...
Blue Moon Eclipse and More Can'tMiss Sky Events... Get ready to see a double supermoon, a meteor shower, and more celestial wonders this month.
China Shuts Down Its Legal Ivory Trade All of China’s governmentlicensed carving factories and ivory retailers are about to close...
The Brutal Story of How Europe Conquered the... Warning: It includes mutiny, murder, and mass rape.
What Makes This New Year's Eve Cold Snap So... Freezing conditions are blanketing parts of the U.S., but other spots are warmer than usual.
Climbers Set Off to Be First to Summit World's Most... A team of Poland's most elite climbers will attempt to scale one of the deadliest mountains on...
Capturing Surreal Life on a Sacred Glacial Mountain Mount Aragats is an intersection of divinity, science, and living off the land.
What Causes These Pillars of Light to Form in... The phenomenon can often be seen at far northern latitudes, but a blast of winter air has brought it...
Christmas Brings Millions of Filipinos the Joy... Every December overseas workers come back to the Philippines. We captured their...
Top 8 Must-See Sky Events for 2018 Get ready to see amazing eclipses, a comet encounter, planetary pairings, and more celestial...
Sponges and Algae Are Choking the Caribbean's... According to at least one leading expert. Some scientists aren’t convinced the sponge...
Why These Pigeons Wear Elaborate Sweaters Hint: It's a disguise.
These Birds Decorate Their Nests With... Some species prove their dominance with decor.
This Scientist Fights Crimes— Against Birds Meet one of the few forensic ornithologists in the world.
For a Lucky Few, Life Is Better in This Kabul... So far Qasaba’s comfortable new apartment blocks on the edge of Afghanistan’s capital city have...
© 1996-2018 National Geographic Society.
We will never share your e-mail address unless you allow us to do so. View our privacy policy. Easy unsubscribe links are provided in every email.
Copyright © 1996-2015 National Geographic Society. Copyright © 2015-2018 National Geographic Partners, LLC. All rights reserved