Taking water samples from Utah Lake
Jul 14, 2020Early Detection of Algae ‘Blooms’ by Satellite Yields Healthcare Savings

The use of satellite data by environmental managers tracking harmful algal bloom outbreaks along lakefronts and coasts can result in earlier detections that yield significant savings on healthcare, lost work hours and other economic costs.

Piedmont Park in Atlanta
Jun 23, 2020Landsat Helps Urban Planners Find Disparities in Access to Green Spaces

Study of two metro areas finds where parks, trees and other green spaces are located.

Tuscan countryside
Mar 5, 2020Landsat Gives Epidemiologists Key Insights

How the fields of epidemiology and remote sensing intersect to help the public.

mining site
Dec 14, 2019Assessing the Environmental Impacts of Artisanal Gold Mining

Landsat helps monitor changes in artisanal gold mining areas, enabling land managers to prevent and remedy environmental impacts.

Phoenix, AZ
Dec 9, 2019How Urban Heat Affects the Socially Vulnerable in Sun Belt Cities

Socio-economically vulnerable populations are at a higher risk of experiencing urban heat effects.

Lago de Cahora Bassa
Oct 14, 2019Lakes Worldwide Are Experiencing More-Severe Algal Blooms, 30-years of Landsat Data Shows

The intensity of summer algal blooms has increased over the past three decades, according to a first-ever global survey of dozens of large, freshwater lakes.

Baltimore City
Sep 5, 2019Hot in the City, And Hotter Still in Low-Income Areas

A new investigative report published by NPR has found that it’s hotter in cities’ low income areas.

Chlorophyll-a concentrations
Jun 21, 2019NASA Helps Warn of Harmful Algal Blooms in Lakes, Reservoirs

With limited resources to dedicate to monitoring for harmful algal blooms, water managers are looking to new technologies from NASA and its partners to detect and monitor potential hazards in lakes and reservoirs.

Copenhagen garden
May 22, 2019Green Space is Good for Mental Health, Landsat Helps Establish

The prolonged presence of green space is intrinsic for a healthy society a new nationwide Danish study finds.

a mature crop
Apr 4, 2019How Looking for Clouds Helped Forecast Global Food Production

It started as an algorithm to detect clouds in satellite imagery, but now the software is being used for everything from increasing food security in the developing world to guiding futures trading on Wall Street.

forest and shrub cover v. healthcare spending
Apr 1, 2019Green Space & Health: U.S. Counties with More Trees and Shrubs Spend Less on Healthcare

Each 1 percent of a county’s land that was covered in forest was associated with an average Medicare expenditure savings of $4.32 per person per year.

mudflat invertebrates sampling
Jan 28, 2019Loss of Intertidal Ecosystem Exposes Coastal Communities

The study used machine-learning to analyze more than 700,000 Landsat images to map changing global distribution of intertidal areas over a 30-year period.

growing city sizes
Dec 14, 2018As Cities Grow, So Does the Urban Growing Season

New insights on how vegetation phenology in urban and surrounding areas respond to urbanization.

secchi disk
Dec 12, 2018Retrieving Secchi Depth with Landsat 8

Landsat 8 allows for the acquisition of spectral data for monitoring water quality from lakes and drinking water reservoirs across the United States.

a smelly HAB
Oct 11, 2018Satellites on Toxic Algae Patrol

Increasingly, water managers are turning to satellites like Landsat to monitor inland waters.

Lake Sunapee algal bloom
May 30, 2018Landsat 8 as a Tool for Monitoring Algal Blooms

When algae blanket a lake’s surface, loss of sunlight and—eventually—oxygen, smothers aquatic life.

water quality map
Jan 26, 2018UNESCO Launches a Pioneering Tool to Monitor Water Quality

Using data from Landsat and Sentinel-2, UNESCO is providing freshwater quality information at the global scale.

map of study area
Sep 7, 2017Finding Baltimore’s Mosquito Hotspots with Help from Landsat

High levels of residential abandonment and unchecked vegetation growth in low-income neighborhoods are strong indicators of mosquito prevalence. Higher income neighborhoods are also susceptible to mosquito-borne disease due to the presence of irrigated vegetation, which creates mosquito-friendly habitat.

algal bloom in Lake Erie 2015
May 15, 2017How Landsat Data Led to a Breakthrough for Lake Erie Toxic Algal Blooms

With the growing frequency and magnitude of toxic freshwater algal blooms becoming an increasingly worrisome public health concern, Carnegie scientists Jeff Ho and Anna Michalak, along with colleagues, have made new advances in understanding the drivers behind Lake Erie blooms and their implications for lake restoration.

Yamouk River Valley
Dec 16, 2016Managing Water in Conflict-Torn Regions

Understanding the relationship between land use and river flows in the Yarmouk basin.