‘Blue marble’: How half a century of climate change has altered the face of the Earth
A photo taken by NASA in December 1972 has become an icon of the global environmental movement
Largest ever public demonstration in New York ahead of the UN climate summit
In all, over 2,000 events are said to have taken place in 150 countries ahead of the summit that will bring together leaders from 125 countries
Non-monetary indicator of poverty
Our policy makers should move away from the income criterion for estimating poverty and take cognisance of other indicators
UN calls for protection of rights of women, indigenous peoples
The 69th session of the UN General Assembly will see the participation of world leaders on crucial global issues
Africa adopts continent-wide sustainable transport agenda
Action framework has time-bound targets on road safety, vehicle emissions and energy efficiency, and accessibility and sustainable infrastructure,…
The significance of New York climate summit
UN Secretary General Ban Ki-moon’s diplomacy push before the Lima Conference of Parties is an opportunity to pull states away from rhetoric …
Innovation key to meet Aichi biodiversity targets by 2020
Meeting the goals of Strategic Plan for Biodiversity can help sustainable development post-2015
United Nations environment awards for 2014 announced
Launched in 2005, the ‘Champions of the Earth’ awards recognise achievements of people from different categories
MDG Report 2014: India among worst performers in poverty reduction, maternal death and sanitation
Report shows good progress in areas like poverty alleviation and access to clean water and controlling diseases like TB, Malaria
Leap of imagination: how February 29 reminds us of our mysterious relationship with time and space
The Julian calendar had observed a leap year every four years, but this meant time had drifted out of alignment with the dates of celestial …
Painting it red! Striking ‘Blood Moon’ to eclipse skies Nov 8
Next total lunar eclipse to happen in 2025
Almost half of Moon missions fail. Why is space still so hard?
India’s success came just days after a spectacular Russian failure
Five space exploration missions to look out for in 2023
Jupiter's icy moons, asteroid exploration on the cards
6 days to landing: Chandrayaan-3’s Vikram lander decouples successfully from main module
The spacecraft was launched on July 14 and is expected to touch down on August 23
NASA’s Artemis I mission flies past the moon
Spacecraft Orion to enter orbit around the Moon November 25
Saturn’s mysterious rings & extreme tilt: Former moon may be responsible
Saturn is unlikely to have had a tilt during its formation stages
First life to sprout on the Moon is already dead
A cotton seed that germinated on the Moon could not survive the long lunar night
How India’s lunar landing shapes future of space exploration, geopolitics — an expert explains
The question is, how will the rival super-space powers progress their ambitions?
NASA’s Artemis 1 successfully takes off, heralding new era in human lunar exploration
Artemis 1 has a mission duration of 25 days, 11 hours and 36 minutes
NASA reschedules long-delayed Moon rocket launch as tropical storm barrels in
Mission will get the US closer to taking astronauts to the Moon after 5 decades
Renew efforts to rid planet of TB, UN chief urges governments
It is possible to end the epidemic by 2035, said Ban Ki-moon on World Tuberculosis Day
Space Race 2.0: Calendar of space launches in next 15 years
Here's a look at what governments and private firms plan to do in space
First-ever digital geological map of moon released by US Geological Survey
It will serve as a blue print for future human lunar missions
MDG final report highlights the success of strategic intervention
Human society has achieved several milestones on all eight goals: Report
Four volcanic hotspots in the Solar System
Venus is far from the only world beyond Earth to exhibit signs of volcanic activity