Global CO2 emissions need to drop to net zero by 2050 to limit the temperature rise to 1.5 degree Celsius above pre-industrial levels. Since fossil fuels account for 80% of global energy consumption and 75% of greenhouse gas emissions, countries are transitioning to cleaner energy systems like renewables and promoting energy efficiency...
Wetlands purify water through natural processes where aquatic plants act as bio-filters. Plants absorb phosphates and nitrates from the water and roots help to put back oxygen into the water.
Constructed wetlands are a cost-effective method of treating wastewater and polluted water bodies. These are low cost solutions and can be easily made or replicated.
Space debris or human-made junk in space is increasing at a rapid pace. According to an estimate by the National Aeronautics and Space Administration, US, there are more than 10 crore objects in space, ranging from less than 1 cm to 10 cm. Did we think of the junk we would create before leaping into the space age?