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Tag archives for climate change

More ocean acidification, less coral?

Co-authored by Erica Cirino Scientists have known for about 15 years that ocean acidification has made it more difficult for hard corals and shelled marine organisms to survive. To grow, hard corals as well as clams, oysters, and others pull calcium and carbonate molecules out of the water and join them together to create calcium…

Not the last polar bear

We’re up in the high Arctic, in Svalbard. I’m a guest for a few days on the Greenpeace ship Arctic Sunrise. (It’s a bit of a misnomer at this time of year because the sun never sets, so—to paraphrase Hemingway—the sun also never rises.) As we are slowly leaving Isfjorden (Icy Fjords) 78º N and…

Lord Mayor of Sydney Clover Moore on a bold new plan for a green and resilient future

By Clover Moore, Lord Mayor of Sydney This week, the City of Sydney agreed on ambitious new targets for 50 per cent of electricity used in the local area to come from renewable energy by 2030, and for net zero emissions by 2050. We have already committed to our long-term vision, Sustainable Sydney 2030, a program to…

North American Leaders Commit to Clean Energy Goal

At the North American Leaders Summit on Wednesday, Mexico, Canada and the United States pledged to generate 50 percent of their energy from clean sources by 2025. The joint commitment by the three countries, according to White House Adviser Brian Deese, is “an aggressive goal” but one that is “achievable continent-wide.” “The Paris Agreement was…

Abyssinian Owl Remains Elusive Amidst Beauty and Hardship on Mt Kenya

Mount Kenya is equal parts beautiful and brutal.  Amidst the moorlands, Lobelias rise like skyscrapers, and lacking competition from the other odd-ball assortment of plants in this “Planet of the Apes” landscape, they protrude like beacons marking your slow progress one agonizing step at a time. At nearly 12,000 ft (3650 m), the only things…

Coral Reef Bleaching Event Forecast to Worsen; NASA Studies Cause in Pacific

Coral in every major reef region across the world has already experienced bleaching, and the National Oceanic and Atmospheric Administration (NOAA) forecasts that temperatures in much of the Pacific, Atlantic and Indian oceans could reach a point at which significant bleaching of corals is present this summer. NOAA’s Coral Reef Watch suggests that the greatest…

7,100 Cities From 119 Countries Join Together in Historic Collaboration to Accelerate Climate Action

By Mark Watts, Executive Director, C40 Cities Climate Leadership Group & Gino Van Begin, Secretary General, ICLEI – Local Governments for Sustainability Note: this article was originally published on EcoWatch When UN Secretary-General Special Envoy for Cities and Climate Change Michael R. Bloomberg suggested creating a Compact of Mayors to mirror the UN program for…

Compact of Mayors and EU Covenant of Mayors launch largest global coalition of cities committed to fighting climate change

Today, the world’s two primary city-led climate change and energy initiatives, the EU Covenant of Mayors and the Compact of Mayors, announced the formation of a new, first-of-its-kind global initiative of cities and local governments leading in the fight against climate change. This single initiative will create the largest global coalition of cities committed to…

After El Niño, a Global Strategy to Save Corals

The future of coral reefs depends on the response and adaptation of corals to rising ocean temperatures. Finding reefs that serve as climate refuges and managing them globally is one of the highest priorities for action. To achieve that goal will require funding reef science beyond the borders of wealthy countries and prioritizing the monitoring and reporting of coral reefs around the world.

C40’s Executive Director Mark Watts on how mayors are changing the way we think about food

This article originally appeared on the Huffington Post.  Citizens in most of the world’s cities might expect their mayor to take responsibility for collecting waste, running public transport, or regulating new development, but they might not consider food to be an issue for urban local government. Yet in October 2015, when Mayor of Milan Giuliano Pisapia…

Indonesia’s East Kalimantan Province Commits to New Green Growth Pathway

By Justin Adams, Global Managing Director of Lands at The Nature Conservancy and Rizal Algamar, Indonesia Country Program Director at The Nature Conservancy Earlier this month, more than 1,000 people gathered for World Environment Day in Samarinda, the capital of Indonesia’s East Kalimantan province. It was a moment – shared by millions of people all over…

Coral Bleaching Linked to Climate Change, Other Factors

The Great Barrier Reef, which last year narrowly avoided being put on the World Heritage endangered list, is experiencing its worst bleaching in recorded history. According to the Great Barrier Reef Marine Park Authority, overall mortality of the reef is 22 percent, but along Lizard Island, off far north Queensland, it’s 93 percent. Coral bleaching is also occurring along…

On World Oceans Day, A View from the Top

A conversation with Bertrand Piccard, the scientist-adventurer currently on the American leg of his global solar flight on the Solar Impulse 2, on the view from 28,000 feet, how we nearly turned our ocean into a dump for nuclear waste and win-win solutions for a healthy planet. We spoke on the eve of World Oceans Day.…

The 2015 C40 Cities Award Winners’ Circle

The 2015 C40 Cities Awards ceremony, held in Paris during the landmark COP21 climate negotiations, showcased the best and most innovative climate actions taking place in the world’s cities. Mayors, city officials and thought leaders from around the world gathered to celebrate successful projects and plans, share their stories and knowledge, voice their ideas, and…

Financing Sustainable Global Cities of the Future

By Hanna Gronkiewicz-Waltz, Mayor of Warsaw, Poland This article originally appeared on Huffington Post.  Today I am speaking at the Chicago Forum on Global Cities on a panel called Financing the Global City, where fellow panelists and I will discuss various approaches to financing sustainable infrastructure and the need for collaboration with other levels of government and…