News Archives - Page 135 of 336

Image of a bearded and gloved man, Robert Mulvaney, with ice inside a metal corer.

Māori Arrival in New Zealand Revealed in Antarctic Ice Cores

by Kate Evans 26 October 20215 June 2023

A new study shows smoke from fires set by the first inhabitants of Aotearoa from around 1300 left a mark in the ice 6,000 kilometers away, on an island off the Antarctic Peninsula.

Wind turbines tower over agricultural fields in Tunisia.

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Air Pollution Killed a Million People in Africa in 2019

by Andrew Mambondiyani 25 October 202129 March 2023

Experts say nature-based mitigation strategies and investment in renewables could reduce both indoor and outdoor air pollution and stimulate sustainable and safe growth.

A stream in autumn with trees and vegetation along both banks, with an old barn and agricultural fields in the background.

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Scientists Call for Policies to Buffer Agricultural Runoff

by Jady Carmichael 22 October 202129 March 2023

By reviewing 44 studies, researchers make a scientific case for regulating agricultural pollution of streams and rivers by implementing conservation practices, including riparian buffer zones.

Water samples collected from Gwynns Falls stream in Baltimore

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Leaky Pipes Are Dosing Baltimore’s Waterways with Drugs

by Richard J. Sima 22 October 202129 March 2023

Poor infrastructure is responsible for tens of thousands of pharmaceutical doses that flow through Baltimore’s streams each year.

An icy Arctic vista is seen from a slight elevation. The landscape contains patches of white ice and randomly positioned pools of meltwater. Four scientists, small and seen from a distance, stand on the ice on the right side of the image.

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Melting Arctic Sea Ice Strengthens Tides

by Kimberly M. S. Cartier 21 October 20213 January 2023

If climate change throws off the seasonal freeze-thaw cycle of Arctic sea ice, it could trigger a reinforcing cycle of sea ice melt in parts of the Canadian Arctic.

Wearing a white lab coat, Yiming Zhang, a doctoral student at the University of California, Berkeley, sits in front of a computer screen, examining data, with a mouse in his right hand. To his left, a gray microscope with four copper-colored rings encircling the stage perches on a black table.

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Diamonds Are a Paleomagnetist’s Best Friend

by Alka Tripathy-Lang 19 October 202114 March 2023

Typical paleomagnetic measurements average a sample’s signal. The quantum diamond microscope helps scientists make micrometer-scale maps of magnetism, showing where a sample locked in its magnetic signatures.

Debris covers a densely populated hillside community in Cerro del Chiquihuite, Mexico.

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Surviving on the Periphery of a City of Earthquakes

by Humberto Basilio 19 October 20219 May 2023

Mexico City is one of the most disaster-prone urban areas in the world. Following an earthquake, marginalized communities living on the city’s periphery are exposed to more dangers than just collapsing buildings.