Well worth it

Modifications in a traditional water harvesting system promises to augment supplies

Sun shining down

Yes. The Sun can save us from a water crisis

Friendly flyash

Dose of phosphorus

Best for mushrooms

Super sensors

What needs to be done to give Africa's smallholder farmers access to machinery

Mechanisation of agricultural activity can help many African countries unlock underutilised agricultural potential. But there are serious …

Divine dwellings

An organisation set up by priests provides inexpensive bamboo houses to people living in slums and on the streets

Home remedy

A local remedy for controlling a parasitic disease works wonders for sheepbreeders in the Peruvian highlands

Wonder weed

Listen and learn

Disaster preparedness

Doting on dung

Kenyan ingenuity uses elephant dung for making paper

Fertiliser from waste

Showing the way

Scientists develop a solar-powered lamp designed to light up rural Kenya

Using urea

Friendly foe

The flip side of a pest control bug

Weed energy

Electricity can be generated from a creeper plant, as an experiment in Madhya Pradesh has demonstrated

Green power

The seed of a humble tree may be a substitute for diesel and could hasten rural electrification

Smokeless stove

Cleaning seeds

Wealth in waste

Diesel: no answer to global warming

Growing worries

This new device will ensure that plants grown in the desert do not lack water

Water from wind energy

Wind power is being used to extract water and regenerate forests in Mauritania