Why in news?

• Mumbai has announced detailed plans to achieve net zero carbon emissions by 2050, making it the first city in South Asia to set such a timeline.
• Plan lists changes across domains like Investments in housing, Electrifying public transport, Flood-resistant drainage, rooftop solar capacities etc.

About Net zero:

• It refers to a state in which the greenhouse gases going into the atmosphere are balanced by removal out of the atmosphere.
• India has announced to reach net zero emissions by 2070.