research Archives - State of the Planet

Climate Change and the Re-Greening of Puerto Rico

Ecologist Maria Uriarte investigates the effects of Hurricane Maria on the forests of Puerto Rico, and how long-term climate change may affect them.

by |March 22, 2018
people live on a raft in Bangladesh's Jamuna River

Climate Migrants Will Soon Shift Populations of Many Countries, Says World Bank

If emissions of greenhouse gases remain high, as many as 143 million “internal migrants” might move within their own countries by 2050.

by |March 19, 2018
palm tree

Palm Trees Are Spreading Northward. How Far Will They Go?

A new study explores what it will take for the iconic tropical tree to expand into areas that have long been too cold for palm trees to survive.

by |March 19, 2018
argo ship ocean freshening

North Atlantic Is Getting Less Salty, But It’s Too Soon to Blame Climate Change

Researchers report a sharp drop in salinity in the North Atlantic Ocean over the last decade, providing the most detailed look yet at the region’s changing ocean conditions. A continued decline could impact fish stocks and the ocean’s ability to absorb CO2.

by |March 13, 2018

Dying Reefs Bigger Threat to Coasts Than Rising Seas, Study Says

If coral reefs continue to degrade, waves on coastlines may substantially increase, leading to greater coastal erosion.

by |March 1, 2018
city in china

Turning Assessment into Action: Advancing China’s Urban Sustainability

How do you encourage cities to race to the top in sustainability performance?

by |February 8, 2018
shipping containers green imports index

How Green Are Your Imports? This Index Provides an Answer

Many “green” countries depend on imports from more polluting countries. A new index takes this into account and could shake up rankings on global environmental report cards.

by |February 7, 2018
treeway map

Planting a Park on the Cross-Bronx Expressway Would Save Money and Lives

Public health researchers run the numbers on creating a park on top of a section of the highway, finding it a worthwhile investment for community health.

by |February 1, 2018
hurricane evacuation sign

Why People Often Don’t Properly Prepare for Hurricanes

A new study looks at the mental biases that prevent people from taking adequate safety measures when a hurricane is on the way.

by |January 25, 2018
tree guard

So Much Depends on a Tree Guard

Adding protective barriers around street trees could reduce load on city sewers, study finds.

by |January 23, 2018