Earthobservatory.nasa.gov

World of Change: Global Temperatures

WEBAccording to an ongoing temperature analysis led by scientists at NASA’s Goddard Institute for Space Studies (GISS), the average global temperature on Earth has increased by at …

Actived: 9 days ago

URL: https://earthobservatory.nasa.gov/world-of-change/global-temperatures

New Map Shows Risk of Sunburn Across the U.S.

WEBNew Map Shows Risk of Sunburn Across the U.S. Skin cancer is the most common form of cancer in the United States, taking thousands of lives every year. By …

Category: Cancer Go Health

How Dust Affects the World’s Health

WEBDoctors and public health experts agree that breathing fine particulate matter (PM 2.5) can be harmful to human health.The airborne particles—thirty times …

Category: Health Go Health

Could COVID-19 Have Seasons

WEBIf the COVID-19 coronavirus favors winter like its cousins, cases of the disease would fade during the summer but then surge back in autumn or winter. There is …

Category: Coronavirus Go Health

Of Mosquitoes and Models: Tracking Disease by Satellite

WEBThe prevention of Rift Valley fever in Kenya in 2016 was a success story decades in the making. Twenty years ago, predicting a disease outbreak seemed like …

Category: Health Go Health

Ultraviolet Radiation: How It Affects Life on Earth

WEBStratospheric ozone depletion due to human activities has resulted in an increase of ultraviolet radiation on the Earth's surface. The article describes some effects on human …

Category: Health Go Health

Measuring Vegetation (NDVI & EVI)

WEBIn an effort to monitor major fluctuations in vegetation and understand how they affect the environment scientist use satellite remote sensors to measure and map …

Category: Health Go Health

Hantavirus Risk Maps

WEBThis led to an increase in vegetation and a hypothesized increase in the rodent population. Based on Landsat ETM+ satellite imagery, this map of the American Southwest shows …

Category: Health Go Health

Green Space is Good for Mental Health

WEBGreen Space is Good for Mental Health. In a sweeping nationwide study, researchers from Denmark’s University of Aarhus found that childhood exposure to …

Category: Health Go Health

Mapping the Decline of Coral Reefs

WEBTuanake Atoll in French Polynesia is one of many of the remote reefs recently mapped with the help of satellite data. This true-color image was acquired by Landsat 7. (Image …

Category: Health Go Health

The Ozone We Breathe

WEBWhen we breathe air unpolluted by human activities, we usually take in about 10 to 15 parts of ozone per billion parts of air (10-15 ppb). However, pollution from …

Category: Health Go Health

The Ozone We Breathe

WEBAt the time of publication, it represented the best available science. Ozone’s Effects on Human Health. Shortness of breath, dry cough or pain when taking a deep breath, …

Category: Health Go Health

Measuring Vegetation (NDVI & EVI)

WEBIn an effort to monitor major fluctuations in vegetation and understand how they affect the environment scientist use satellite remote sensors to measure and map the density of …

Category: Health Go Health

Aerosols: Tiny Particles, Big Impact

WEBDespite their small size, they have major impacts on our climate and our health. Aerosols—tiny, airborne solid & liquid particles—are present throughout the atmosphere …

Category: Health Go Health

Coastal Phytoplankton on the Rise

WEBExplosive growth of phytoplankton populations can produce vibrant blue, green, or red displays, covering thousands of square kilometers of the ocean. While …

Category: Health Go Health

World of Change: Shrinking Aral Sea

WEBThe lake they made, the Aral Sea, was once the fourth largest in the world. Although irrigation made the desert bloom, it devastated the Aral Sea. This series of images from …

Category: Health Go Health

A Burst of Saharan Dust

WEBWinds pick up an estimated 100 million tons of dust from the Sahara Desert each year, and a sizable portion of it blows out over the North Atlantic Ocean. A fresh …

Category: Health Go Health