climate change

How the Last 160 Years Have Changed the Earth’s Climate

Geo Contributor

Since the Industrial Revolution, this level has been rising continuously, reaching 410ย ppm in 2018.

Warmer Oceans Will Make Hurricanes More Intense

Geo Contributor

Since hurricanes draw their energy from ocean heat, warmer waters can increase both their intensity and duration.

The characteristic bullโ€™s-eye patterned rash after the bit from a blacklegged tick infected withย Borrelia burgdorferi. Photo: Centers for Disease Control

How Climate Change is Affecting Tick Season

Geo Contributor

As the global climate warms, it is more likely that some ticks will remain active through the warmer winters and can expand their habitats into new areas.

Spatial Income Inequality and Climate Change

Mark Altaweel

The relationship betweenย  CO2and climate change emissions in general and wealth inequality is not a clear one.

Urbanization Makes the Surrounding Atmosphere Drier

Caitlin Dempsey

Researchers in southern China have analyzed the impact of urbanization on local climates, known as the urban dry island (UDI) effects.

Review | There is No Planet B: A Handbook for the Make or Break Years

G.T. Dempsey

Mike Berners-Lee presents an โ€˜evidence-based practical guide to the make or break choices we face nowโ€™ in the ย Anthropocene age.

View of Tapajรณs National Forest.

Deforestation Is Drying Up Atmospheric Rivers

Katarina Samuroviฤ‡

Deforestation has a dramatic impact on climate, reducing evapotranspiration which feed atmospheric rivers.

Study Discovers That This Methane Depleting Atmospheric Molecule Can Recycle Itself

Katarina Samuroviฤ‡

The hydroxyl radicalโ€™s reactivity has earned it the nickname โ€œair detergentโ€ - because of the way it effectively breaks down other gasses in the atmosphere, especially methane.

Geospatial Climate Models Show How Fire Seasons Are Changing

Mark Altaweel

Changing technologies, including new satellite systems, and better climate and fire modeling, including the integration of these tools and data capture methods, will likely mean improved fire modeling in the future.

Virga. Photo: White Sands National Monument, NPS.

What is Negative Rainfall?

Katarina Samuroviฤ‡

Negative rain(fall) occurs when a particular area experiences more atmospheric evaporation than water downpour over a period of time.

Antarctica is Losing Ice Six Times Faster Than 40 Years Ago

Caitlin Dempsey

Researchers analyzed ice mass betweenย 1979 and 2017 in Antarctica and found aย sixfold increase in yearly ice mass loss. ย 

Tracking the Carbon Cycle in North America: 2018 Report

Mark Altaweel

In November 2018, the United States Carbon Cycle Science Program released a report, entitled Second State of the Carbon Cycle Report (SOCCR-2), about the nature of the carbon cycle in North America, covering Canada, the United States, and Mexico.

Mapping Out Ammonia Hotspots With Satellite Data

Caitlin Dempsey

Researchers recently used satellite data to create a high resolution map of ammonia hotspots around the world. ย 

Climate Change Impacting Sea Turtles

Olivia Harne

What Mass Audubon describes as a, โ€œweather system of gale force windsโ€ is now causing frozen turtles to wash up on New England beaches.

2018 National Climate Assessment Warns of a Future with More Extreme Weather

Olivia Harne

The 2018 National Climate Assessment presents stark news for climate change and our environment.

Mapping Mediterranean UNESCO World Heritage Sea-level Rise Flood Risk

Olivia Harne

A Kiel University study has shown that some World Heritage Sites are at risk for damage in the face of changing sea level from climate change.

Understanding Climate Change Through Historical Shipping Logs

Mark Altaweel

Geographic information and weather data recorded by ship crews are a valuable source of historical information that could be utilized to understand how our climate has changed.

Analysis of U.S. Climate in August 2018

Katarina Samuroviฤ‡

For the summer of 2018, the contiguous United States lived through its 4th warmest summer on record, tying with the summer of 1934.

What is the Environmental Insights Explorer (EIE) Tool?

Katarina Samuroviฤ‡

Google has launched a new tool, Environmental Insights Explorer (EIE), with the main purpose of making new climate-relevant datasets easier for cities to access.

Brought to the Carribean by enslaved Africans, this is the only baobab tree on St. John. Photo: Carrie Stengel, NPS, Virgin Islands National Park, public domain.

Study Shows Southern African Ancient Baobabs Are Dying

Katarina Samuroviฤ‡

A study published in the journal Nature Plants found that 9 of out of 13 oldest, and 5 of 6 most massive baobab trees died during the study, many of them suddenly.

World Highest Minimum Temperature Record Broken, and Many Follow

Katarina Samuroviฤ‡

The city of Quiryat, Omanon experienced a new world recordย for the highest minimum temperature on the night of June 26, 2018.ย 

Slower Hurricanes Means More Dangerous Hurricanes

Katarina Samuroviฤ‡

A recent study from NOAAโ€™s Center for Weather and Climate, has found that hurricane speed has slowed significantly in the past six decades

The North American Climate Boundary is Shifting East

Katarina Samuroviฤ‡

The North American 100th meridian west climatic boundary is shifting, bringing dry climate patterns further east.

Source: Oliver et al, 2018

Marine Heatwaves are Becoming Longer and More Frequent

Caitlin Dempsey

Researchers, using satellite observations, have found that marine heatwaves are becoming more frequent and longer lasting.

Visualizing Climate Change With Maps

Mark Altaweel

The choice of labeling and color can have a pronounced influence in shaping opinions when visualizing climate change on maps.

A series of four maps showing carbon density change as a result of deforestation.

Tropical Forest Degradation Means More Carbon Dioxide is Released into the Atmosphere Than is Absorbed

Elizabeth Borneman

Satellite images targeting areas of tropical Asia, Africa, and the Americas have shown that some tropical forests are dispelling more carbon than they are taking in.