Control of thermal radiation at high temperatures is vital for waste heat recovery and for high-efficiency thermophotovoltaic (TPV) conversion. Previously, structural resonances utilizing gratings, thin film resonances, metasurfaces and photonic crystals were used to spectrally control thermal emission, often requiring lithographic structuring of the surface and causing significant angle dependence. In contrast, here, we demonstrate a refractory W-HfO2 metamaterial, which controls thermal emission through an engineered dielectric response function.

The climate change and biodiversity hotspot of Wayanad took its first steps towards eco-restoration and climate change mitigation with the rolling out of the state's first carbon neutrality project

Chennai: 'Zero waste' Chennai could soon be a reality as the corporation, in a bid to reduce the quantity of waste taken to landfills, is all set to introduce a bin-less waste transfer process acro

This paper analyses the interdependency of water and energy in India’s wastewater sector. Wastewater treatment plants consume a great deal of energy. Energy-efficient technologies are available, but are only spreading slowly in developing countries. In India, only 10% of all wastewater generated is treated, while energy demand is soaring.

The Indian Railways has installed a waste to energy (WtE) plant for biodegradable waste in its residential colony at Kishanganj in Delhi and has plans to build two more WtE projects at New Delhi and Jaipur railway stations.

Officials initiate steps to process at least 50 per cent of the city's 5,000 tonnes of daily garbage

Question raised in Lok Sabha on Electricity from Solid Waste, 28/04/2016. Ministry of Power vide notification dated 28.01.2016 has notified the revised Tariff Policy which mandates the distribution licensee to procure 100% of power produced from waste to energy plant.

The National Mission on Himalayan Studies (NMHS), G. B.

Municipal bodies will be allowed to charge user fees and levy spot fines for littering and non-segregation

Order of the National Green Tribunal in the matter of Sukhdev Vihar Residents Welfare Association & Ors. Vs. State of NCT of Delhi & Ors. dated 04/04/2016 regarding waste to energy plant in Delhi.

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