Ticketless travel
Electronic tickets are fast becoming popular in the us and Canada
Special touch
Digging in the dirt
Horizontal drilling is a cost effective method to clear out polluted sites
Airborne
Alternative to plastics
Flax, wood and cotton could soon replace plastics
Cleaner car filters
Flying high and low
Small wonders from our scientists: ultra-small aircraft that will fly into hazardous areas and bring back data
Fuel from CO2
Getting smart
...with materials that can sense changes in the environment and adjust accordingly
Young scientists in Kolkata make leather out of fish skin
College duo comes up with eco-friendly tanning process
Challenges of hydrogen-fuelled vehicles
Nature's laboratory
The ice cover almost 4.8 km thick is perhaps the most valuable feature of Antarctica, with its record of past atmospheres in the trapped air bubbles
Woods for women
Poor rural women in India need easy access to and control over forests