Thawing permafrost vents gases to worsen warming
Massive amounts of greenhouse gases trapped below thawing permafrost will likely seep into the air over the next several decades, accelerating and amplifying global warming and coastal erosion, scientists warn.
Sinking England, Video
All may seem calm on the beautiful stretches of british coastline, but there is a battle being fought on the beaches of Britain. It is a fight for survival against the mighty forces of the North Sea. Erosion of this coastline have been going on for thousands of years, but things have gotten much worst. The country is gradually tilting into the ocean.
Brazil Court Refuses To Stop Work On Bel Monte Dam, Amazon
The court upheld a legislative decree that authorized construction, which is opposed by environmentalists and Amazon Indian tribes who say the dam will cause massive destruction of fauna and flora in the area…
Tangier Island: Another Disappearing Island In The Chesapeake Bay
Tangier Island lies in the middle of the Chesapeake Bay and is 92 miles (148km) southeast of Washington, DC. This small piece of land is barely above sea level and its 500 residents are fighting for its survival.
The Condit Dam Breach
For 95 years, the 125-foot high Condit Dam in rural Washington State held back the White Salmon River. In an historic effort, the dam was dramatically breached to restore, for the first time in a century, the waterway to fish and other aquatic organisms, as well as the birds and mammals that rely on them. The dam removal comes just weeks after dismantling began on the Elwha Dam a few hours to the north.
Coastal Erosion, Trend or Extreme Events? Coastline Between Rio de Janeiro and Cape Frio, Brazil
The coastline eastward from Rio de Janeiro up to Cape Frio is characterized by long and straight beach barriers frequently backed by lagoons and segmented by rocky headlands. No continental sediments are delivered to the continental shelf due to presence of the sandy beach barriers.
Cliff Collapse Due To Coastal Erosion, A Video
The landscape of an english coastline, in the Cornwall region, changed in just a few seconds when a rockfall caused by coastal erosion, sent a massive chunk of cliff tumbling into the sea. Capturing a cliff collapse on video is a rare event.
Asymmetrical waves in barred beaches
Natural beaches often present a breaker bar that significantly affect physical phenomena like, for example, wave transformation, wave reflexion, energy dissipation due to breaking and wave reforming into the trough region.
Deforestation Along The Rio Xingu Shores, Brazil
Although forest preservation has gained traction in the region as a result of new valuation of the ecosystem services provided by the forest, in recent years, concerns about the impact of the burning on global climate change, and greater sensitivity to the ethnic and biological heritage of Amazonia still remain, as Amazonia, has been undergoing a continual and accelerated conversion process into farmlands.