Activists Aren’t Mourning Obama’s Absence at Rio Summit

When a reluctant George H.W. Bush, Sr., then U.S. president, changed his mind and decided at the eleventh hour to address the 1992 Earth Summit in Rio, he sounded defensive in his strong response to charges that the United States was one of the major powers responsible for the some of the world's worst environmental ills - from greenhouse gases to conspicuous consumption.

Q&A: Battle for Human Rights in Rio Is “Far From Over”

Human rights should be explicitly recognised as an indispensable ingredient of sustainable development at the Rio+20 summit in Brazil, says Navanethem Pillay, United Nations High Commissioner for Human Rights.

Setting Goals to Protect Half the Planet

The high seas, crucial regions of the world's oceans that are beyond national jurisdiction, account for 45 percent of the planet, but are today under severe threat from overfishing and pollution.

Defining Green Economy May Stymie Rio Summit

The thematic battle at the U.N. Conference on Sustainable Development (UNCSD) in Brazil next week will be primarily around the new concept of a "green economy" - and how best to define it.

Q&A: “We All Have to Start Being City Changers”

Building the cities of the future requires not only smarter planning but a profound shift toward greater equity and social justice, says Joan Clos, executive director of the U.N. Human Settlements Programme, or UN-HABITAT.

Biggest Economies Still Lagging on Renewables

On the eve of the Rio+20 Summit in Brazil, the U.S.-based Natural Resources Defense Council (NRDC) released a report Monday ranking the world's biggest countries on their use of renewable energy.

Rio+20: Transforming Political Platitudes into Economic Realities

When world leaders endorse the final plan of action, titled "The Future We Want, at the Rio+20 summit in Brazil next week, a lingering question may remain unanswered: how best can the United Nations transform political platitudes into economic realities?

Germany’s Energy Revolution Hits Potholes

When the German government decided last year to phase out nuclear energy by 2022, following the catastrophe at the Fukushima power plant in Japan, it was clear that the process would require extraordinary effort, not only in further developing alternative energy sources, especially renewables, but also in upgrading the country-wide electricity grid.

How Would You Measure Success at the Rio Summit?

When the heavily hyped three-day U.N. Conference on Sustainable Development (UNCSD) comes to a close in Rio de Janeiro Jun. 22, what would be the yardstick to measure its successes and failures?

Trade, Military Cooperation to Top U.S.-India Talks

The ambassador of India to the United States, Nirupama Rao, on Friday suggested that high-level talks between the two countries, taking place here next week, would focus on "development" and the "people aspect of cooperation".

New World Bank Environment Strategy Boosts Private Sector Role

The World Bank this week released its new environment strategy for the next decade, 2012 through 2022, saying the policy framework was crafted in response to "calls from governments and the private sector for new approaches to development in light of unprecedented environmental challenges".

Calls for an African Green Revolution, Only Smarter

To deal with looming food crises in the coming decades, Africa needs a Green Revolution on par with what took place in Asia during the 1960s and 1970s, according to experts in Washington.

Ahead of Rio+20, “The Economy is Already Turning Green”

While governments make a last desperate attempt to agree on a plan of action for next week's Rio+20 summit on sustainable development – including plans on the transition to a green economy and a set of sustainable development goals – the real economy is already turning green, according to Italy’s minister of environment, Corrado Clini.

RIO+20: A Stalemated U.N. in Do-or-Die Session on Action Plan

After weeklong negotiations, a meeting of the Preparatory Committee (PrepCom) to finalise a plan of action titled "The Future We Want" for next week's Rio+20 summit has failed to reach agreement - and deferred a decision to a final three-day session in Brazil.

RIO+20: Earth Summit Negotiated the Size of the Zero

Amidst much political fanfare, the 1992 Earth Summit in Rio de Janeiro concluded with the adoption of the Rio Declaration on Environment and Development and the landmark Agenda 21 blueprint for a sustainable future in the 21st century.

Malawi Turns to Mozambique for Power

On-again, off-again… it's the story of both Malawi's power supply and the interconnection project that could end blackouts with power imported from neighbouring Mozambique.

When Energy Begins to Flow Long Distance

With rising energy prices and stringent requirements for producing a higher proportion of energy from renewable sources in the near future, long-distance electricity cables are increasingly thought of as a viable option for providing electricity.  

“Land Is Our Ally, But Its Patience Is Not Eternal”

Land degradation poses a threat to all life on Earth including humanity. To stop the enormous loss of life-giving land, the United Nations Convention to Combat Desertification (UNCCD) is pushing for a sustainable development goal of Zero Net Land Degradation (ZNLD) to be adopted at the upcoming Conference on Sustainable Development, known as Rio+20, in Brazil.

U.N. Aims To Offset its Own Carbon Footprint

As the international community readies for a global mega-conference on sustainable development in Brazil mid-June, the United Nations is determined to practice what it preaches to the outside world: improve resource efficiency and drastically reduce its own greenhouse gas emissions.

Dam Company in Chile Presses Gov’t for Supportive Policies

Colbún, the electricity generating company that co-owns HidroAysén and its multi-dam project in southern Chile, has recommended suspending the environmental impact assessment for power transmission lines that would connect the hydropower complex to the country's central grid, until the right conditions are in place.

For an Ailing Planet, the Cure Already Exists

The planet's climate recently reached a new milestone of 400 parts per million (ppm) of carbon dioxide in the Arctic.