Lonar lake: Location: Vidarbha region, Maharashtra+ Origin: Formed nearly 50,000 to 52,000 years ago when a meteorite impacted the Earth in the basalt formations of the Deccan Plateau+ It is the one of the largest crater lake+ Conservation: It has been designated a Wildlife Sanctuary, National Geo-Heritage Site and Ramsar Site+ Unique Biodiversity: It has 2 distinct layers (alkaline and saline) of water, harboring microorganisms not found anywhere else.

Borjuli Wetland: Location: Sonitpur District, Assam+ It is known for harbouring a variety of wild rice (Oryza rufipogon)+ It is the progenitor of present-day cultivated rice, Oryza sativa+ It is disease- and pest-resistant and can tolerate flooding and saline conditions+ The Borjuli wetland has been notified as a Biodiversity Heritage Site.

Green ammonia: It is a pungent gas primarily used to make fertilizers (China is the largest producer of ammonia)+ Production: using the Haber-Bosch process, where hydrogen and nitrogen are combined+ Significance: Reducing GHG emissions, can be used as a fuel (has higher density in relation to other chemicals produced via renewable processes), can be used to produce hydrogen