Over the last several decades the tea industry in Sri Lanka has been buffeted by many factors, both external and internal. But largely internal. This essay will however concentrate on one major ...

On a site next to a sawmill in Waverly, Virginia, a startup takes sawdust and offcuts from the mill and heats it up to turn it into biochar, a material that can store carbon for hundreds or thousands ...

The so-called ‘Green Tea’ project aims to support producers in the east African nation, which supplies around half of the tea ...

WASHINGTON – Since David Laird was young, the “lush, green forests” of the western United States meant an annual summer trip to hike, camp and fish. But the last time Laird was in Wyoming’s Medicine ...

I said in my recent book that perhaps the only tool we had to bring carbon dioxide back to pre-industrial levels was to let the biosphere pump it from the air for us. It currently removes 550bn tons a ...

Biochar has been heralded as a solution to a number of agricultural and environmental ills. To get the most benefit from its application, environmental and social circumstances should both be ...

In the late 1990s, soil scientist Johannes Lehmann was working in the central Amazon to help restore degraded soils. Other researchers had discovered that the region’s fertile terra preta, meaning ...

The system works by taking tea waste that would typically be discarded or burnt and heating it in a controlled environment to produce syngas, a low-carbon energy source.