Along some 70 miles of Southern California coastline, usually curious and playful sea lions are attacking humans ... Human-caused climate change and land development are also making unwanted ...

While most sea turtles warm themselves by swimming close to the surface of shallow waters, the Eastern Pacific green turtle will take to land to bask in the sun. Occasionally seen sunbathing ...

Near the middle of the twentieth century ... would require unachievable measurement precision, because the land contribution to sea-level rise is significantly less than 1% of any of the three ...

Salt in the sea, or ocean salinity, is mainly caused by rain washing mineral ions from the land into water. Carbon dioxide in the ... The Dead Sea in the Middle East is an example of this. The high ...

In the air, on land and in the sea, the Smithsonian is building new tools for resilient ecosystems—innovative approaches and technologies that will provide knowledge and open up avenues to understand ...