Question. Rose bushes in our yard are tall, with few leaves and blooms. When should I do the trimming and how much? Answer. Just about a week away, mid-February is considered the best time to perform ...

The hardy jatropha tree as a biofuel source may not be the panacea for smallholders that some have claimed, say Miyuki Iiyama and James Onchieku. It sounds too good to be true: a biofuel crop that ...

Jatropha has been championed as a major environmental opportunity for developing countries with a semi-arid climate and marginal soil. Scientist Karl Hilding Thunes of the Norwegian Forest and ...

Earlier this century, jatropha was hailed as a “miracle” biofuel. An unassuming shrubby tree native to Central America, it was wildly promoted as a high-yielding, drought-tolerant biofuel feedstock ...

Kampala — THE fuel prices continue to skyrocket and it seems like nothing can be done about it. However, Eirik Trondsen, a Norwegian investor in renewable energy, believes the solution to the problem ...