A woman cleans her pen at a sea cucumber reserve in Madagascar. | Nicky Milne/Thomson Reuters Foundation

Climate Migration: How Tijuana's Haitian Community Was Born

After a devastating earthquake and destructive hurricanes in Haiti, people began migrating to South America, and eventually toward the United States to find work to support their family back home. In this segment of "Earth Focus" we examine the factors leading to a new Haitian community growing in the U.S.-Mexico border town of Tijuana. See how Haitians are adapting to a new culture while Tijuana adapts to an influx of climate migrants.

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Future of Food

Communities and innovators all over the world are creating new sustainable food sources that are resilient to climate change and growing populations. In Madagascar, we see how villagers are closing off marine areas to allow the fish supply to replenish at a natural pace. In San Diego, California, aquaculturists are exploring open ocean farming as a more sustainable model for the fishing industry.

Urban Habitat

With so much biodiversity in the highly urban area of Los Angeles, species are thriving despite human interference, and in some cases because of it.

Toxic Environments: Us and China

Fracking Hell, an original joint investigative report by LinkTV and the Ecologist Film Unit, exposes unregulated interstate radioactive waste dumping in the US. Waste from Pennsylvania gas wells, that may contain dangerous levels of radium 226 and other toxins, is routinely dumped in New York, Ohio and West Virginia, where it poses a potential threat to the drinking water supply of millions. The report explores the risks of natural gas development in the Marcellus Shale, a rock formation in the Allegheny Plateau, which contains enough natural gas to supply all US gas needs for fourteen years.

Sea Level Rising: Living With Water

Louisiana still is learning from Hurricane Katrina. Forecasts are dire for Louisiana to experience the second-highest sea level rise in the world. There is a big movement brewing in New Orleans to build adaptive "resilience zones." In Southeast Louisiana, the native peoples of the Isle de Jean Charles have become the first U.S citizens moving within their homeland displaced by climate change.

Climate Migration

Populations are dramatically shifting as climate change drives migration. Droughts and floods are driving many people away from their rural, farming communities into big cities. We see how this is manifesting in Mongolia and examine the factors leading to the new community of Haitian people living in limbo at the border between Mexico and the U.S.

City Planning

Two cities, San Francisco and Freetown, brace for climate change using vastly different methodologies. San Francisco's developers are building expensive real estate on floodplains as officials try to heed expert projections on future sea levels. On the other side of the world, a deadly mudslide caused by torrential rains and deforestation in Sierra Leone shows the consequences of city planning that doesn't take climate change into account.