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Technical Perspectives

E-Buses: Operational Tests and Customer Surveys Facilitate Transition and Highlight Benefits

  • Cities
  • Electric Mobility
  • transportation
  • Integrated Transport
People wait under umbrellas at a bus stop in Brazil
  • Cities
  • Electric Mobility
  • transportation
  • Integrated Transport
Insights

Mobility-as-a-Service Platforms: A New Trend in Low-carbon Transport

  • Urban Mobility
  • Electric Mobility
  • Cities
  • transportation
  • Integrated Transport
A woman holds onto a yellow shared bicycle.
  • Urban Mobility
  • Electric Mobility
  • Cities
  • transportation
  • Integrated Transport

10 Cities Shortlisted in $9-Million Global Challenge to Drive Innovation in City Mobility

  • Cities
  • Urban Mobility
  • Integrated Transport
  • transportation
Train in Bengaluru, India.
  • Cities
  • Urban Mobility
  • Integrated Transport
  • transportation

From Minibuses to “Boda Bodas,” Informal Transport Systems Could Be an Untapped Climate Change Solution

  • Urban Mobility
  • transportation
  • public transit
  • Cities
  • Integrated Transport
Passengers on a busy Bangkok street ride on colorful three-wheeled tuk-tuks.
  • Urban Mobility
  • transportation
  • public transit
  • Cities
  • Integrated Transport
News

STATEMENT: UN’s Global Stocktake Report Offers a Damning Report Card for Global Climate Effort

  • International Climate Action
  • COP28
  • adaptation
  • Integrated Transport
  • Finance
  • Food
  • Energy
  • International Climate Action
  • COP28
  • adaptation
  • Integrated Transport
  • Finance
  • Food
  • Energy

How Emerging Economies Can Pursue Green Recoveries

  • Climate
  • restoration
  • coronavirus
Gede Pangrango National Park, Situ Gunung, Sukabumi, West Java, Indonesia.
  • Climate
  • restoration
  • coronavirus

4 Ways to Reduce Plastic Pollution

  • Business
  • circular economy
  • coronavirus
  • waste
  • Ocean
  • pollution
  • regulation
Plastic waits for recycling landfill in the Philippines.
  • Business
  • circular economy
  • coronavirus
  • waste
  • Ocean
  • pollution
  • regulation
Insights

The Smart Money Is Going Green

  • Paris Agreement
  • renewable energy
  • Economics
10 four panels installed from ground level
  • Paris Agreement
  • renewable energy
  • Economics
Insights

By the Numbers: The New Climate Economy

  • Energy
  • Forests
  • Cities
  • Business
  • Economics
  • Finance
  • climate change
  • restoration
  • energy efficiency
  • international climate policy
  • renewable energy
A new report shows that economic growth and action on climate change can now be achieved together. Photo credit: Walmart, Flickr
  • Energy
  • Forests
  • Cities
  • Business
  • Economics
  • Finance
  • climate change
  • restoration
  • energy efficiency
  • international climate policy
  • renewable energy

A New Strategy to Improve Water Quality—One Targeted Watershed at a Time

  • water pollution
  • hypoxia
  • Freshwater
  • Water Quality
More than 15,000 streams, rivers, and lakes are too polluted with nutrient runoff to support wildlife, be enjoyed recreationally, or serve as a drinking water source. Photo credit: USDA
  • water pollution
  • hypoxia
  • Freshwater
  • Water Quality
Initiatives
This website serves as an information portal about eutrophication—the over-enrichment of water by nutrients such as nitrogen and phosphorus—a leading threat to water quality around the world. Explore our interactive map and learn more.

Can Nutrient Trading Shrink the Gulf of Mexico's Dead Zone?

  • water pollution
  • hypoxia
  • Freshwater
Dead fish resulting from toxins or oxygen depletion in Lake Binder, Iowa. Photo credit: Dr. Jennifer L. Graham, U.S. Geological Survey
  • water pollution
  • hypoxia
  • Freshwater
Research

New Ventures

Research

Two Degrees of Innovation