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About 8.4 billion tonnes of carbon is estimated to have been accumulated and stored in long-lasting products from around the world made by humans, such as plastics and buildings, between 1995 and 2019, according to a study. Researchers at the University of Groningen in the Netherlands said this 'fossil carbon' added to the 'technosphere' -- the sum of all human-made objects, both in use and discarded -- equals around 93 per cent of carbon dioxide emissions from around the world in 2019. They added that the carbon locked up in the 'technosphere' has a huge potential to add to greenhouse gas emissions. Increasing the lifetime of products and recycling rates are two ways to reduce the amount of fossil carbon entering waste streams, the researchers suggested. "Over these 25 years (1995-2019), 8.4 billion tons of fossil carbon have accumulated, with approximately 0.4 billion tons added each year, with a huge potential for further contribution to anthropogenic greenhouse gas emissions,"
India ranked third in the US Green Building Council's (USGBC) annual list of top 10 countries and regions in the world for LEED (Leadership in Energy and Environmental Design) certification in 2023. The United States has not been included in the list. LEED is a green building rating system and the certification is a globally recognised symbol of sustainability achievement and leadership. The rating system is available for virtually all building types, thereby providing a framework for healthy, highly efficient and cost-saving green buildings, USGBC said in a statement. India has retained its third rank, while mainland China, and Canada held the first and second positions, respectively, it said. As per the statement, "248 projects, across both buildings and spaces, were certified for LEED in the country covering 7.23 million Gross Square Metres (GSM). China topped the top 10 rankings for 2023 with over 24 million GSM certified followed by Canada with 7.9 million GSM," it said. Whi