“Rotation” refers to an object’s spinning motion about its own axis. Earth rotates on its own axis, producing the 24-hour day relative to the Sun, with an…

Direct air capture technology is a form of carbon dioxide (CO2) removal that takes CO2 from ambient or still air. The separated CO2 can then be permanently…

India is the world’s third-largest carbon dioxide (CO2) emitter. A rising population, rapidly growing economy, and increased energy demand have seen India’s emissions soar in recent decades….

What is Paris Agreement? The Paris Agreement is a legally binding international treaty on climate change. It was adopted by 195 Parties at the UN Climate Change…

Seawater has many different gases dissolved in it, especially nitrogen, oxygen and carbon dioxide. Each and every day, there is a continuous and dynamic exchange of these…

Cement is a fundamental material for building and construction in civil engineering. It has high adhesive properties when mixed with water and aggregates. As urbanisation, industrialisation and…

What is Coal Gasification? Coal gasification is the process of converting coal into synthesis gas (also called syngas), which is a mixture of hydrogen (H2), carbon monoxide…

What are microplastics? Microplastic is any fragment of plastic that is between 1 nanometer and 5 millimetres wide. Microplastics are very common in our environment. They are…

Hydroelectric power plants, which convert hydraulic energy into electricity, are a major source of renewable energy. There are various types of hydropower plants: run-of-river, reservoir, storage or…