State of the Planet

News from the Columbia Climate School

Water Scarcity8

  • China’s Decade Plan for Water

    China’s Decade Plan for Water

    For the first time, China’s No. 1 central document outlining the government’s priorities for the coming year focuses on the construction of water resources acknowledging its importance as a “strategic resource” and its necessity to the economy.

  • Migration in the Face of Global Environmental Change

    Migration in the Face of Global Environmental Change

    Over the past 40 years, coastal and inland water ecosystems experienced the greatest levels of net in-migration, vs. mountain, forest, cultivated, and dryland ecosystems, which experienced the greatest levels of net out-migration, says a new report.

  • Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Beginning in Niger in the 1980s, Tony Rinaudo, an African aid missionary, began working with farmers to develop a new approach to reforesting degraded landscape. The practice he developed involved selective pruning of shrub shoots to a main stem, which was then pruned of its lower leaves and branches. Within a few years, new woodlands…

  • In Dry Texas, Recycled Water Looks Better and Better

    In Dry Texas, Recycled Water Looks Better and Better

    As the drought in Texas continues with no end in sight, some cities are turning to innovative water alternatives in an attempt to maintain quality of life as they know it. The new mindset includes viewing waste water as an asset.

  • Can Canadian Water Slake America’s Need for Power?

    Can Canadian Water Slake America’s Need for Power?

    At a time when the world is abuzz with talk of reducing carbon dioxide emissions to stem the tide of climate change, Canada’s surfeit of hydropower production appears an attractive option to people south of the border who still rely on fossil fuel-generated electricity.

  • Water Problems Are Solvable: The International Water Forum at the UN

    Water Problems Are Solvable: The International Water Forum at the UN

    Water problems are solvable. None of the many challenges are outside of the ability of human-kind to respond and resolve. As with so many things, political will and money are needed, but the International Water Forum at the UN took it further; the general public has to understand and care before the political will and…

  • Water, Oil, Food – A Crisis for Saudi Arabia and the World

    Water, Oil, Food – A Crisis for Saudi Arabia and the World

    A water crisis is unfolding in Saudi Arabia that could have profound implications for both the Saudi people and for the rest of the world.

  • Bottled Water – Big Business in Indonesia

    Bottled Water – Big Business in Indonesia

    The movement to challenge the bottled water industry has come a pretty long way in countries like the USA, Australia and Canada. Public education campaigns by organizations like the Council of Canadians, Pacific Institute and Corporate Accountability International, have debunked the myth that bottled water is necessarily cleaner or healthier than tap water, and emphasized…

  • Western Water Woes – Is Big Infrastructure the Way to Go?

    Western Water Woes – Is Big Infrastructure the Way to Go?

    Guest Blog by Michael Clark Pat Mulroy, the general manager of the Southern Nevada Water Authority, spoke on July 20 at a US Chamber of Commerce conference, as part of its Invest in Water Initiative, and proposed a bold idea: build a pipeline to divert Mississippi River flood waters to the West. This, she said,…

Earth Month Graphic Collage: "Our Power, Our Planet - April 2025"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • China’s Decade Plan for Water

    China’s Decade Plan for Water

    For the first time, China’s No. 1 central document outlining the government’s priorities for the coming year focuses on the construction of water resources acknowledging its importance as a “strategic resource” and its necessity to the economy.

  • Migration in the Face of Global Environmental Change

    Migration in the Face of Global Environmental Change

    Over the past 40 years, coastal and inland water ecosystems experienced the greatest levels of net in-migration, vs. mountain, forest, cultivated, and dryland ecosystems, which experienced the greatest levels of net out-migration, says a new report.

  • Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Sprouting Trees From the Underground Forest — A Simple Way to Fight Desertification and Climate Change

    Beginning in Niger in the 1980s, Tony Rinaudo, an African aid missionary, began working with farmers to develop a new approach to reforesting degraded landscape. The practice he developed involved selective pruning of shrub shoots to a main stem, which was then pruned of its lower leaves and branches. Within a few years, new woodlands…

  • In Dry Texas, Recycled Water Looks Better and Better

    In Dry Texas, Recycled Water Looks Better and Better

    As the drought in Texas continues with no end in sight, some cities are turning to innovative water alternatives in an attempt to maintain quality of life as they know it. The new mindset includes viewing waste water as an asset.

  • Can Canadian Water Slake America’s Need for Power?

    Can Canadian Water Slake America’s Need for Power?

    At a time when the world is abuzz with talk of reducing carbon dioxide emissions to stem the tide of climate change, Canada’s surfeit of hydropower production appears an attractive option to people south of the border who still rely on fossil fuel-generated electricity.

  • Water Problems Are Solvable: The International Water Forum at the UN

    Water Problems Are Solvable: The International Water Forum at the UN

    Water problems are solvable. None of the many challenges are outside of the ability of human-kind to respond and resolve. As with so many things, political will and money are needed, but the International Water Forum at the UN took it further; the general public has to understand and care before the political will and…

  • Water, Oil, Food – A Crisis for Saudi Arabia and the World

    Water, Oil, Food – A Crisis for Saudi Arabia and the World

    A water crisis is unfolding in Saudi Arabia that could have profound implications for both the Saudi people and for the rest of the world.

  • Bottled Water – Big Business in Indonesia

    Bottled Water – Big Business in Indonesia

    The movement to challenge the bottled water industry has come a pretty long way in countries like the USA, Australia and Canada. Public education campaigns by organizations like the Council of Canadians, Pacific Institute and Corporate Accountability International, have debunked the myth that bottled water is necessarily cleaner or healthier than tap water, and emphasized…

  • Western Water Woes – Is Big Infrastructure the Way to Go?

    Western Water Woes – Is Big Infrastructure the Way to Go?

    Guest Blog by Michael Clark Pat Mulroy, the general manager of the Southern Nevada Water Authority, spoke on July 20 at a US Chamber of Commerce conference, as part of its Invest in Water Initiative, and proposed a bold idea: build a pipeline to divert Mississippi River flood waters to the West. This, she said,…