Groundwater resources are drying up across the globe. New research suggests we can fight the drip

Humans rely on groundwater for many things, but especially our food. Roughly 30 percent of all the planet’s available freshwater comes from groundwater, or water that is found underground in the spaces between rocks, soil and sand. It is primarily used for agriculture and billions of humans are dependent on it, facing severe food deprivation without it....

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Smart climate policy is good for people, not just the environment

It is difficult to read about global heating and climate change without being pessimistic. Every new report warning that humanity is entering “uncharted territory” or exceeding our limits as a stable ecosystem can produce feelings of hopelessness and despair. Yet even as Earth roils through unprecedented heatwaves and animals like river dolphins face extinction, there is still hope that climate change can be at least partially mitigated....

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Earth’s salt cycle is swinging out of balance, posing yet another “existential threat,” study finds

It is not pleasant to imagine that human activity is making the planet uninhabitable, but we typically think of this in terms of greenhouse gases, rising sea levels or acidifying the oceans. We aren’t typically concerned with how salty things are.

Yet a recent study published in the journal Nature Reviews Earth & Environment identifies a wealth of industrial activities from construction and agriculture to water and road treatment as making the planet Earth too salty — literally....

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We can’t stop Antarctica from melting, as scientists warn we are entering “uncharted territory”

Imagine a future in which sea level rise is so severe that apocalyptic floods are a regular occurrence. Hundreds of millions are displaced as their coastal regions become uninhabitable, and as humanity struggles to survive, the map of the Earth’s southernmost region gets radically redrawn. According to a recent study by the British Antarctic Society, climate change has passed a crucial tipping point for the West Antarctic Ice Sheet....

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