How crypto is supercharging ransomware attacks
Cryptocurrencies like Bitcoin are becoming the preferred payment method in ransomware attacks, in which computer data is held hostage by malicious software. But crypto's anonymity means cybercriminals are becoming even harder to trace and prosecute.
Heatwaves: Why it's time to take extreme heat seriously
In the United States, extreme heat kills more people each year than any other natural disaster. As climate change pushes global temperatures to record highs, what are communities doing to cope? And can we keep the heat under control before parts of the world become too hot to live in?
Why cutting methane emissions is key to fighting climate change
Reducing methane emissions is crucial to fighting climate change. The invisible gas traps over 80 times more heat than carbon dioxide—and we're emitting more than we thought. The greatest potential for methane reduction lies with fossil fuels, and solutions are readily available. So what's getting in the way?
How AI could be rejecting your job application
Artificial intelligence and algorithms are increasingly being used by companies in the recruitment process to help eliminate human biases and create more inclusive and diverse workplaces. But critics say AI hiring tools could actually be making employment discrimination worse.
Green Hydrogen: the climate tech you haven't heard of
Green hydrogen is made by using clean electricity from renewable energy, rather than pollutants like fossil fuels. It’s now surging in popularity because of its promising potential to fight climate change and bring the world to net zero greenhouse gas emissions.
How Bitcoin mining impacts the environment
Cryptocurrencies like Bitcoin and Ethereum are the subject of growing concern about their energy consumption and potential impact on climate change. Why do some cryptocurrencies use so much energy, and what impact do they have on the climate? And, is there a greener alternative?
ESG: why social investing is the next big thing
ESG factors, which measure a company’s commitment to environmental, social and governance issues, have become critical to understanding a company’s performance. Until now, because of the risks posed by climate change, most metrics have focused on the ‘E,’. But today, the Coronavirus pandemic has put a greater emphasis onto the ‘S’: how a business directly affects communities’ or people’s rights.
Circular economy: what is it and how can we get there?
In circular economies, waste is used as the raw material for new products, which helps curb climate change. But this way of working means putting a stop to the ‘buy, use, throwaway’ mentality we’re attached to.
Xinjiang to London: Chinese surveillance tech in the UK
Over half of London’s councils have bought surveillance tech made by Chinese companies Hikvision and Dahua, both of which have been linked to Uighur persecution in Xinjiang province. We went hunting for some of their cameras in London.
Net zero: the climate pledge, explained
A growing number of countries, cities and businesses are aiming for 'net zero' emissions - but what does that mean and why does it matter?