It's a question that has prompted a global call to action: how do you best eliminate single-use plastic bags, before they further pollute our oceans?
The homes of about 30,000 people have been demolished in a Kenyan slum to make way for a new $20m (£15m) dual carriage way in the capital Nairobi.
A drug to treat malaria - the first such pill to get approval in 60 years - has been given the green light by authorities in the United States.
Johnson & Johnson has been ordered to pay $4.7bn (£3.6bn) in damages to 22 women who alleged that its talc products caused them to develop ovarian cancer.
Heavy rains last night caused flooding in parts of Accra, trapping some residents in their homes, submerging vehicles and destroying properties.
The government’s ambition to clean up motor vehicles by 2040 is not ambitious enough a leading energy expert says.
Health workers in the Democratic Republic of Congo are to begin an immunisation campaign in an attempt to halt the spread of the deadly Ebola virus.
Entrepreneur Sir Richard Branson and conservationist Jane Goodall have joined a list of famous names who have signed an open letter to South Africa's government calling for an end to rhino poaching
A crisis of plastic waste in Indonesia has become so acute that the army has been called in to help.
About 700 churches have been closed down in Rwanda for failing to comply with building regulations and for noise pollution.
Forfeiting our commons
The Lancet’s Series on Maternal and Child Undernutrition
President Obama's grand climate plan does not add up
Climate change can no longer be ignored
NGO demands withdrawal of Niyamgiri gram sabha notificatio