India, Nov. 19 -- Clean tech or climate tech is not just about digital technologies, Internet of Things, sensors and software. A lot of the existing physical infrastructure as well as the buildings and the commercial spaces of the future need to be reshaped for a greener world. Which is why the scope of clean tech extends into areas that are typically not seen as technology in today's world of AI and industrial revolution.

A clear example of this is the research and development in materials science and chemistries, where many startups are looking to create more eco-friendly alternatives to the existing building blocks of industry, whether it is in plastic mitigation, or as in the case of CarbonStrong, the cement industry.

Fossil fuel em...