Population Growth

It's time to act to secure sustainable water and sanitation for all

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Thomson Reuters Foundation
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* Any views expressed in this article are those of the author and not of Thomson Reuters Foundation.

There's no silver bullet to sustainable development, but to avoid conflicts, disasters and damage to ecosystems, water agenda must advance on political arena

Every year on 22 March we celebrate World Water Day. But this year is different. It will go to history as the year when we set the course for the future. ... Read more about It's time to act to secure sustainable water and sanitation for all

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As World’s Population Booms, Will Its Resources Be Enough for Us?

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There are more than 7 billion people on Earth now, and roughly one in eight of us doesn't have enough to eat. The question of how many people the Earth can support is a long-standing one that becomes more intense as the world's population—and our use of natural resources—keeps booming. ... Read more about As World’s Population Booms, Will Its Resources Be Enough for Us?

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An Ancient Tool Holds Promise for Modern Water Problems

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Columbia Water Center
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A large cistern in the ancient city of Resafa, Syria, was filled by channeling periodic floods from a wadi west of the city. The use of complex systems for directing and harvesting water dates back thousands of years. Photo from '€Ancient Water Harvesting Methods in the Drylands of the Mediterranean and Western Asia,'€ Brian Beckers et al., eTopoi, 2013.

By Paulina Concha Larrauri ... Read more about An Ancient Tool Holds Promise for Modern Water Problems

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By 2050, two-thirds of humanity will live in cities. How do we brace for impact?

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Carine Umuhumuza
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By 2050, nearly two-thirds of humanity — more than 4 billion people — will live in cities. How should the world’s urban centers brace for impact — and ensure quality of life for the people who call them home?

The answer? We need to make our cities smarter.

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Drought, icemelt, superstorms ... a review of 2012's environmental news

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Damian Carrington,John Vidal,Fiona Harvey,Suzanne Goldenberg
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Suzanne Goldenberg

Guardian Open Weekend: Suzanne Goldenberg

Guardian Open Weekend: Suzanne Goldenberg

Superstorm Sandy ... Read more about Drought, icemelt, superstorms ... a review of 2012's environmental news

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World population to hit 8bn in 2023, says new UN survey

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The world's population will break through the 8 billion mark in 2023, there are more men than women, and next year the number of over 60s will top 1 billion for the first time, according to the latest findings and forecasts from the United Nations annual population survey.

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How much of the world's cropland is actually used to grow food?

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Brad Plumer
Crops grown for food (green) versus for animal feed and fuel (purple). National Geographic
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This fascinating map from National Geographic shows the proportion of the world's crops that are grown for direct human consumption (in green) versus all the crops that are grown for animal feed or biofuels (in purple):

map food vs fuel ... Read more about How much of the world's cropland is actually used to grow food?

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UN: India to be world's most populous country by 2028

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Population growth in China, India, Nigeria and USA, 1950-2100, actual and projected
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India looks set to overtake China as the world's most populous country from 2028, according to the United Nations.

At that point, both nations will number 1.45 billion people. Subsequently India's population will continue to grow until the middle of the century, while China's slowly declines.

The UN also estimates that the current global population of 7.2 billion will reach 9.6 billion by 2050.

That is a faster rate of growth than previously estimated. ... Read more about UN: India to be world's most populous country by 2028

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