Herbs Help Dairy Farms Abandon Antibiotics

Joining forces, dairy farmers in the Netherlands and Uganda are learning from Indian experts about using medicinal herbs to prevent animal diseases and reduce the widespread reliance on antibiotics for livestock. Many of us picture dairy farms with rolling green pastures and lazily grazing cows, but the vast majority of commercial dairy products come from intensive … Continue Reading ››

Four Unexpected Champions of the Clean Transportation Revolution

Greenhouse gas emissions from the transportation sector are growing faster than those from any other sector. With the transportation sector already accounting for nearly one-quarter (23 percent) of greenhouse gas emissions worldwide, investing in public transportation is a critical strategy to address global climate change. Strategies to curb transport emissions, such as by transitioning to … Continue Reading ››

From Omen to Opportunity: How Cheap Oil Is Accelerating Sustainable Energy Investment

An increasingly unprofitable global oil market is driving fuel prices to historic lows and hemorrhaging investment in conventional energy sources. Breaking with tradition, cheap oil no longer foretells disaster for renewable energy companies. On the contrary, disillusioned fossil fuel investors are seeking high-growth opportunities—just in time to ride the renewables wave in the wake of … Continue Reading ››

Women’s Empowerment and the Environment: What Does Science Say?

“Sisters are doin’ it for themselves, standin’ on their own two feet and ringin’ on their own bells,” sang Aretha Franklin and the Eurythmics’ Annie Lennox in a 1985 hit song. On International Women’s Day 2016 today (March 8), is it fair to ask whether sisters also are doing it for the earth? Or, put … Continue Reading ››

Parks or People? Five Cities That Are Choosing Both

As increasing numbers of people squeeze into cities, where can urban communities grow green spaces? The world’s expanding cities are in a delicate balancing act. If they do not embrace strategic, high-density development, urban areas will increasingly encroach on surrounding farmland and natural spaces. This, in turn, creates the need for additional energy and transit … Continue Reading ››

Island Energy: How the Ocean Can Take Us to 100% Renewable Energy in Tropical Nations

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Due to their small scale, most tropical islands suffer from high energy costs related to the import of liquid fuels, such as diesel or heavy fuel oil. With conventional electricity costs often ranging well above 20 to 50 U.S. cents per kilowatt-hour, these countries would benefit from the more rapid implementation of sustainable energy alternatives.

T-ESCOs: Applying Traditional Energy Financing Strategies to Public Transport

At the December 2015 climate talks in Paris, it was noted that, in the absence of significant changes, the transportation sector is on track to become the fastest growing industrial contributor to global greenhouse gas emissions. However, the transportation sector continues to face serious challenges in curbing emissions. Although effective strategies for reducing transportation emissions … Continue Reading ››

In Renewable Energy Deployment, Keep the Project Front and Center

My experience working on renewable energy issues in Latin America and the Caribbean since the mid-1990s has provided me a unique vantage point from which to review and comment on trends affecting the industry. In my career, I have gained insights from both the development and financing sides of projects, from the perspective of project … Continue Reading ››

The Yardfarmers Trailer!

What happens when you take six young Americans and move them back in with their parents to farm their parents’ yards or neighborhood greenspace? Do these young yardfarmers grow sustainable food, new local economic opportunities for their communities, and a heightened level of family togetherness? Or do they do … Continue Reading ››

Carbon Trading: A Hidden Threat to Soil Carbon Sequestration?

If something has a price tag, people consider its perceived monetary value. But what if, by measuring the value of our planet’s natural systems using dollar amounts alone, we are minimizing their true worth? And what if our focus on solving global problems with money is taking all of us, especially poorer countries, down the … Continue Reading ››

Vision for a Sustainable World