Water Conservation

Human-woven "beaver dams" do more than store water. They help waterways recover from climate alteration, lower water temperatures, enhance flood plain connections prevent wildfire spread, and generate increased biodiversity.

The water leaving your washing machine may soon be a lot more eco-friendly, thanks to the anchovy. A filter inspired by the tiny fish could remove microplastics from the outgoing water, keeping them from entering local waterways.

One of the worries about microplastic pollution is the possibility that the particles may accumulate harmful bacteria in the environment, then pass them on to us. Well, that capability could soon put the particles to work as sewage monitors.

Scientists at the University of Texas at Austin have developed a “smart soil” that can keep plants better hydrated and provide a controlled release of nutrients. In tests it drastically improved crop growth while using far less water.

Artificial-turf sports fields may be more durable than those covered in grass, but they also get very hot during warm weather. Scientists have devised a method of cooling them – and the cities they're in – using rainwater stored beneath the turf.

Elon Musk dropped in on the 10th world Water Forum in Bali, Indonesia, and outlined a plan to solve humanity's growing water scarcity crisis. "The potential for solving any given water issue is very good," he told the assembled dignitaries.

In countries such as India, a great deal of toxic dye waste from the textile industry is released into waterways, harming people and the environment. A new wood-derived filtration media could remove much of that dye from wastewater streams.

Soil moisture sensors can help farmers save water, by letting them know when their crops actually need to be watered. A new sensor could be particularly helpful, as it incorporates a special material which makes it highly sensitive to moisture.

It’s a cruel irony that 70% of the Earth’s surface is covered in undrinkable water. Scientists have now modeled the feasibility of a hypothetical system that can capture water vapor from ocean air and condense it into drinking water, at a large scale.

While solar farms are a source of green energy, many people don't like the fact that they occupy land which could be otherwise utilized. A new project is exploring an alternative, by placing solar panels over canals that will benefit from the shade.

The James Dyson Award is an international competition to encourage students to get creative to solve the world's pressing problems. The national finalists have been announced for 2021, showcasing ideas that help people and the environment.

Given the scarcity of fresh water in many regions, it does seem a bit crazy to be flushing the stuff down the toilet. And while a few coastal areas use seawater instead, doing so is problematic in its own way – new research, however, may change that.