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Alborz Mountains, Iran on 28 December 2020 (Terra/MODIS) - Feature Grid

Snow in the Alborz Mountains, Iran

Image captured on 28 December 2020, by the MODIS instrument, aboard the Terra satellite.

Worldview Image of the Week

Jan. 4, 2021

MODIS aerosol optical depth over India

MODIS Captures Indirect Impacts of COVID-19 on the Environment

Learn how MODIS data helped researchers assess the impact of pandemic-triggered lockdowns on air pollution in India.

Data in Action

Jan. 4, 2021

In the Dominican Republic, workers clean up potential mosquito-breeding containers

Zika Zone

Knowing a mosquito's terrain may head off a virus.

Feature Article

Dec. 28, 2020

Zebra stripes come in different patterns, unique to each individual. They are social animals that live in harems. Here two stand in the Okavango Delta, Botswana.

Zebras Without Borders

A new generation reconnects with greener pastures.

Feature Article

Dec. 28, 2020

Arctic sea ice provides critical habitat for polar bears

Younger Sea Ice and Scarcer Polar Bears

The fate of older sea ice in the Arctic may be key to the future of polar bears.

Feature Article

Dec. 28, 2020

Snow telemetry (SNOTEL) sites are equipped with meteorological instruments that help scientists gauge the mountain snowpack.

Winter's Water

Researchers pursue elusive forecasts of mountain snow.

Feature Article

Dec. 28, 2020

Winter algae blooms in the Arabian Sea

Winter Blooms in the Arabian Sea

A tiny organism and its tenants make an unexpected appearance.

Feature Article

Dec. 28, 2020

In wetlands, water saturates the soil to form a shallow, aquatic ecosystem.

Where the Wetlands Are

A new map breaks down conservation borders.

Feature Article

Dec. 28, 2020

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