The study, funded by The World Bank, uses satellite imagery from 1992 to 2012 to measure light emissions from counties and districts in 47 Sub-Saharan African countries.
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Earth Overshoot Day falls on earliest-ever date in 2019, as humans use far more natural resources than is sustainable.
Jewellery giant Swarovski has calculated the monetary value of the natural resources used to produce its namesake crystals, in a move towards its overarching aim to supply "the world's most transparent crystal".
Something fundamental may be shifting in the way we see our relationship with the natural world.
Depletion of natural capital is an irreversible process and steps to assess and combat this are needed urgently.
The plants, animals, and micro-organisms that are the bedrock of food production are in decline, according to a UN study.
Plants, animals and micro-organisms crucial to indirectly upholding the human diet are dying out, study shows
This long-term failure to incorporate nature into decision-making had led to over exploitation of the natural environment and under investment in maintaining biodiversity, she told the first ever National Biodiversity Conference, which is being staged at Dublin Castle.
Simply protecting small forests will not maintain the diversity of the birds they support over the long run, a new study says. Forests need to be carefully monitored and managed to maintain their ecological integrity.
The Environmental Protection Agency (EPA) has began a process aimed at compiling Energy Accounts within the next six months to produce data on the usage of energy sources to enable Ghana measure and protect the environment.