Data, Reports & Resources

NRDC is a leader and trusted source in environmental policy and research. 

From reports to issue briefs, we ensure accountability through peer review led by our Science Office, which provides data and scientific analysis that help shape and guide NRDC’s policies and positions. We also offer a range of other resources, such as 101 guides and consumer-focused scorecards to increase access to knowledge about how everyone can be a catalyst for change. 

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Keystone Species 101

GuideInternational, United StatesMelissa Denchak
From coastal tide pools and rolling prairies to African savanna and arctic terrain, the earth is home to myriad ecosystems, each one regulated by interlinking parts, including the creatures that call them home.

Freshwater Harmful Algal Blooms 101

GuideUnited StatesMelissa Denchak, Melanie Sturm

Ugly, foul-smelling and sometimes toxic, algal blooms are becoming more common in freshwater ecosystems like rivers, lakes, ponds, and reservoirs. Here’s a look at how excess algae can impact the environment—and human health.

Connectivity and Conservation: Grizzly Bears in the Lower 48

OverviewUnited States, Wyoming, Montana, Idaho
These interactive maps discuss the issue of grizzly bear conservation and present potential corridors that could help reconnect the Yellowstone grizzlies with populations to the north.

Wildlife Trade 101

GuideInternational, United StatesChia-Yi Hou

Wildlife trade is big business, with wild plants, animals, and products made from them sold around the globe, legally and illegally. It’s also a leading cause of the planet’s accelerating biodiversity crisis and resultant ecosystem collapse.

California’s Marine Protected Areas: Underwater Refuges Safeguard Our Unique Ocean Life

Fact SheetUnited States, CaliforniaVanessa Villanueva
California’s network of marine protected areas is hailed as a global model. However, ongoing investments in research and monitoring, outreach and education, policy and permitting, and, importantly, enforcement are required to ensure that these underwater refuges will benefit our environment…