Habitat destruction has reduced the variety of plants and animals to the point that ecological systems could become unable to function properly, with risks for agriculture and human health, say scientists
The variety of animals and plants has fallen to dangerous levels across more than half of the world's landmass due to humanity destroying habitats to use as farmland, scientists have estimated.
The unchecked loss of biodiversity is akin to playing ecological roulette and will set back efforts to bring people out of poverty in the long term, they warned.
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The United Nations was founded 70 years ago in the turmoil and trauma of World War II with the firm conviction that a better future was possible, and it was ours to create.
Much has been achieved in the intervening years that has certainly kept the world on a safer trajectory, but today, only 16 years into the new millennium, we seem beset on all sides by impossible problems. Terrorism, inequality, environmental degradation, financial crises, wars, forced migration. There is a growing sense that our problems have changed and become more complex but also that they have become too large for us to solve. As a result, we have become used to not really addressing the fundamental issues but lurching from one crisis to the next, just getting by.
People have lost trust that their lives can get better and that institutions are on their side. This in turn is leading to apathy, depression, despair and in some cases to the development of radical views.
This cycle must be stopped, before it consumes our collective future.
The truth is that the problems of today can only be addressed through working together, using multilateral dialogue to find common ground and take collective action. The last years have seen a discrediting of multilateralism as agreements on issues such as trade and the refugee crisis have proved elusive. These failures themselves further feed the narrative that our problems have grown beyond our control.
It does not have to be this way.
I joined the UN Climate Secretariat after the disaster of the Copenhagen negotiations in 2009 and left in 2016 on the back of the most ambitious climate agreement in history. The Paris Agreement was not an accident -- it was strategy and attitude. It was the culmination of six years of patient rebuilding of a broken system that had lost all trust and confidence, into one that was capable of entering an upward spiraling of commitment and ambition. It was the result of a shared commitment that arose from the collective realization that we would all be losers if we did not find a way to win together. It was the harvest of years of careful listening that enabled the elusive common ground to emerge.
Paris can be an anomaly or it can become the norm for multilateralism in the 21st century. We must ensure it is the latter, so that we can rebuild the world's confidence in the ability of the UN and its Member States to work together and solve the most difficult problems of our times.
As our world becomes more interdependent and more complex, the necessity to make genuine progress through dialogue, commitment and investment is further increased. This is because the interconnections are such that failure to address critical areas of concern means that they will quickly spread and become destabilizing.
Without stronger mechanisms for managing critical cross-border issues, including resource management, refugees, and migration, we will not build the shared security needed to support everyday practical cooperation. Without adequate restrictions on the proliferation and use of weapons, we will continue to see growing displacement and inequalities generated by conflict and violence. Without climate stability there will be no food or water security, reducing our ability to remain in our communities, towns and countries. Without securing women's rights to education, land ownership, and political participation, we will not see a rise in equitable economic development. Without building more resilience to natural disasters, we will not create the economic or political space to plan for long-term development. Without respect for human rights, citizen participation, and reduced corruption, we cannot build the conditions for a sustained peace.
The interconnectedness of these issues further underlines the essential role that the UN must play. Indeed, only the UN can provide the forum through which Member States can coordinate effectively to address the intricate and interconnected issues that affect our world. If this is not achieved, then we face a risk that the unstable parts of the world will continue to destabilize other parts. This is unacceptable.
We must embrace the tough challenges and refuse to believe that real solutions are beyond our ability to find. It is our best chance to improve the lives of people everywhere.
We need a UN that reclaims its standing as a beacon of hope; a reason for global optimism that calls us toward a compelling vision of the future, rekindling our confidence and inspiring each and every one of us to live up to our highest purpose. Impossible is not a fact, it is an attitude. That is my conviction and my experience. It is also my invitation; together we can restore hope.
It is for the opportunity to pursue this vision that I have accepted the nomination of Costa Rica for the position of UN Secretary-General.
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Imagine being dropped off by a tiny bush plane into a remote wilderness, knowing you are about to brave the biggest challenge you have ever faced. Todd Wells did just that when he led an exploratory kayaking expedition into the heart of the Wrangell Mountains in Alaska. He and his team members were only able to get to their destination at the headwaters of the Chitina River by being dropped off one at a time, with their kayaks strapped to the bottom of the plane. “I had paddled Class V with each of these paddlers before, but this … was probably the biggest challenge that any of us had ever faced,” Wells says. “Our goal [was] just to make it down safely in one piece.”
The Chitina River in the WrangellSt. Elias National Park in Alaska originates right beneath the Logan Glacier. “Just a decade or two ago, the Logan Glacier used to cover this canyon,” Wells says. “Because of climate change and because of the recession of all these glaciers in Alaska, the Logan Glacier has retreated farther up into the mountains and opened up an entrance to the canyon that we've now been able to access.” Now there is a new, raging Class V+ gorge, which was previously concealed beneath the ice.
Wells put together a team of paddlers he trusts who have each spent at least 10 years paddling Class V rivers: friend Ben Mar, friend and photographer Eric Parker, Wells's brother Brandon, videographer Chris Korbulic, and local friend Matt Peters.
The headwaters canyon is about 12 miles (19 kilometers) long, and the team's goal was to paddle as much of the canyon as they could. “We knew that there were probably a couple portages that we would have to make, but as long as we were able to paddle the majority of the river and not have to portage the whole canyon, I was going to be satisfied,” Wells explains. They ended up only having to portage twice for about 500 yards (457 meters), which meant they faced a lot of white water.
“Sometimes when we're in a safer environment, we really push it hard and we try to run every single rapid and really, really push it. But out here on the Chitina, our goal [was] just to make it down safely in one piece and that's what we were able to do,” Wells says. “There are a couple rapids we portaged that potentially we could go back and try to run sometime, but they were really pretty scary and if we were to make a mistake on either one of those rapids, it could have been fatal.”
The team had to prepare carefully for other demanding conditions as well, such as camping in the cold and packing all of their equipment inside the back of their kayaks. “None of us have ever done anything quite like this,” Wells said. “It was a learning process figuring out where to set up camp where we [were] protected from the wind, how to portage and scout rapids safely. It was a difficult challenge for us all.”
The retreat of the Logan Glacier opened up the landscape relatively recently so there are dramatic rugged rocks and not a lot of vegetation. “Just being in the heart of the WrangellSt. Elias National Park was a really, really amazing experience. I'd never been anywhere that felt nearly as remote as the headwaters canyon and the Chitina River. We were seeing wildlife throughout the trip. There were bears and moose and just no human influence at all. It was a really special spot to be.”
This kind of remote exploration is what drives Wells as a kayaker. Doing a first descent down the Chitina canyon was a thrill. “I really feel that Alaska is the last frontier for a lot of explorations, a lot of kayaking expeditions. It's really unique to be able to be up there and explore these places that no one has ever been before.”
Todd Wells is a grantee of Nat Geo's Expeditions Council. Learn more about the science and exploration supported by the nonprofit National Geographic Society at natgeo.org/grants.
See more video from Todd Wells and the team at MountainMindCollective.com.
Atlantis fritillary (Speyeria atlantis) collected in Churchill, Manitoba, Canada, and photographed at the Centre for Biodiversity Genomics (sample ID: 04HBL003478; specimen record: http://www.boldsystems.org/index.php/Public_RecordView?processid=LCH478-04; BIN: http://www.boldsystems.org/index.php/Public_BarcodeCluster?clusteruri=BOLD:ABZ0596)
Odorous ant (Tapinoma sp.) collected in Thousand Islands National Park, Ontario, Canada, and photographed at the Centre for Biodiversity Genomics (sample ID: BIOUG20790-C02; specimen record: http://www.boldsystems.org/index.php/Public_RecordView?processid=CNTIC5400-15; BIN: http://www.boldsystems.org/index.php/Public_BarcodeCluster?clusteruri=BOLD:ACU3056)
Fearless Photography_ posted a photo:
African Long-Snouted Crocodile at the Oregon Zoo in Portland, OR
Ingrid Taylar posted a photo:
Least Tern juvenile (Sternula antillarum) eating a fish left by the parent. This was shot through a protective fence/barrier at Bolsa Chica, earlier in the afternoon than the other two images here, hence the lighting differences. (The terns were too far away for my lens, so this is heavily cropped.)
Olympus E-M1, mirrorless