These satellite images show how humans made the Aral Sea …
2020年2月21日 · The Aral Sea was once the world’s fourth-largest lake, but an irrigation project drained nearly all the water. The consequences include the loss of a fishing industry, salt-laden dust affecting crops and human health, and an altered climate. A dam has increased water levels in a small part of the lake called the North Aral.
Water scarcity in a warming climate: a story in four visuals
Water scarcity: The Aral Sea Wedged between Kazakhstan and Uzbekistan, this was once the world’s fourth-largest inland lake. But the rivers that traditionally fed it were diverted for irrigation, and climate change has intensified local water scarcity.
These pictures show how much the Caspian Sea is shrinking
2022年11月8日 · Research suggests that the level of the lake has been dropping for some time, as the chart below shows. These dropping levels are bad news for planet and people. For example, the Caspian Sea is the world's largest spawning ground for sturgeon and is home to the Caspian Seal - the only marine mammal that lives there.
Is fashion bad for the environment? | World Economic Forum
2020年1月31日 · Cotton farming used up so much water from the Aral Sea that it dried up after about 50 years Image: NASA Fashion causes water-pollution problems, too. Textile dyeing is the world’s second-largest polluter of water, since the water leftover from the dyeing process is often dumped into ditches, streams, or rivers.
7 ways to break the fast fashion habit - and save the planet
2019年2月22日 · Intensive cotton farming in Central Asia is partly responsible for the drying up of the Aral Sea - once one of the four biggest lakes in the world, but now known as the Aralkum Desert. As the report says: “We are unwittingly wearing the fresh water supply of central Asia and destroying fragile ecosystems.”
10 Google Earth videos that show how much the world has changed
2017年3月6日 · The Aral Sea used to be one of the world’s largest lakes, but irrigation projects undertaken by the ...
Blockchain can be the key that unlocks the SDGs. Here's how
2021年10月14日 · One example is that of the Aral Sea between Kazakhstan and Uzbekistan. The rivers that feed the lake have been diverted, causing it to shrink by 90% since the 1960s. As Hongbo Yang of the Smithsonian Conservation Biology Institute, has put it : 'The irrigation of the farmland helped to achieve one SDG goal, number two, that aims to enhance food ...
Shaping the future of Central Asia | World Economic Forum
2014年1月28日 · These challenges also demand improved regional cooperation. Scarce water resources, for example, have the potential to be both a brake on development and a source of tension. The shrinking over many decades of the Aral Sea, once one of the largest lakes on earth, has highlighted the devastating impact we can have on our own planet.
Here's how satellite data helps the environment | World Economic …
2023年3月16日 · Environmental groups can monitor deforestation, the effects of climate change on ecosystems, and how other human activities like irrigation are shrinking bodies of water like Central Asia’s Aral Sea. And disaster managers, aid groups, scientists and anyone interested can monitor natural disasters such as volcanic eruptions and wildfires.
What is desertification and why is it important to understand?
2024年9月26日 · In the 1960s, the area was covered by the fourth-largest lake in the world, the Aral Sea. Since then, it has shrunk to a tenth of its former size, with only three small, highly salty lakes remaining. In Soviet times, its waters were used for irrigating a semi-desert region to grow cotton, leading to a drop in water levels.