Stars dim as the sky gets brighter, a result of expanding cities and bright LEDs. Simple low-tech changes can help preserve dark night skies.
culture & policy
Biden Calls Climate Change “Existential Threat”
Wildfires, flooding, and green energy also appeared—briefly—in the president’s second State of the Union address.
How to Build a Climate-Resilient Water Supply
Scientists developed a new model to help water utility companies minimize weather-based disruptions to clean water access.
Agriculture at the Center of the Aztec Horizon Calendar
Horizon calendars were a key part of time measurement for pre-Hispanic cultures in the Basin of Mexico. A new study suggests that calendars were used to manage the agricultural cycle.
Sedimentos lacustres registran el legado del carbón de Carolina del Norte
Los lagos contaminados con cenizas de carbón se encuentran en áreas residenciales y recreativas, provocando preocupaciones por la salud de los residentes locales y los ecosistemas.
¿Estaban los maestros impresionistas retratando una realidad contaminada?
Análisis de imágenes sugiere que el estilo de los artistas evolucionó en sincronía con el incremento de la contaminación en el aire durante la Revolución Industrial.
The Role of Insurance in Climate Adaption
New research tests the promise of insurance to harden the U.S. economy to tropical storms.
Mentorship Builds Inclusivity and Belonging in the Geosciences
Four evidence-based approaches implemented through an innovative mentoring program have succeeded at improving retention rates of undergraduate women in the geosciences.
Potentially Good News for Solar Energy During Wildfires
A preliminary analysis suggests that the impact of smoke blocking the Sun during 2020’s megafires was minimal for the nation’s solar panels.
Twenty Years of NSF Funding Show Racial Disparities
White principal investigators won a disproportionate share of National Science Foundation funding between 1996 and 2016, according to an analysis of public data.