Plastic bags are too practical to be banned, but policies to manage their use are necessary to protect the environment, says Lilia Casanova.

Policymakers must plan for healthier environments now to avoid unnecessary loss of life, says an editorial in The Lancet.

South-East Asia must act quickly to stop farmers burning their land, say David J. Lohman, David Bickford and Navjot S. Sodhi.

Sunita Narain argues that more impetus is needed to reduce deaths and illness caused by smoke churned out by cooking stoves or 'chulhas'.