Tag: Health

Natural History / Natural History - 9 years ago

What is "smart growth"?

Portland, Oregon, located at the confluence of the Willamette and Columbia Rivers, connects city growthand the health of its rivers. In addition to efforts to build compactly within existing neighborhoods, Portland has created green infrastructur...

Natural History / Natural History - 9 years ago

Is change important to estuaries?

Estuaries experience change many times a day due to tides. Shown here: Located at the northern end of the Ten Thousand Islands on the gulf coast of Florida, the Rookery Bay National Estuarine Research Reserve represents one of the few remaining u...

Natural History / Natural History - 9 years ago

What is marine debris?

With marine debris, pictures speak louder than words. Marine debris injures and kills marine life, interferes with navigation safety, and poses a threat to human health. Our oceans and waterways are polluted with a wide variety of marine debri...

Natural History / Natural History - 9 years ago

What is coastal zone management?

At the core of the Coastal Zone Management Act are two programs: the National Coastal Zone Management Program and the National Estuarine Research Reserve System (NERRS). The NERRS is a network of 28 protected areas, including the San Francisco Ba...

Natural History / Natural History - 9 years ago

Why do Harmful Algal Blooms occur?

Satellite image of Lake Erie showing a mild harmful algal blom in the southwestern portion of the lake. Harmful algal blooms (HABs) occur when colonies of algae—simple plants that live in the sea and freshwater—grow out of control while produc...

Natural History / Natural History - 9 years ago

What is a red tide?

VIDEO: Learn about "red tides" and human health in this video from the U.S. Integrated Ocean Observing System®. Harmful algal blooms, or HABs, occur when colonies of algae—simple plants that live in the sea and freshwater—grow out of control...