<p>The United Nations Environment Programme suggests that the world is on track for an average temperature rise of 3&deg;c, with CoVid-19 likely to result in just a 0.01&deg;c reduction in global warming by 2050. NASA announced that Earth&rsquo;s global average surface temperature in 2020 tied with 2016 as the warmest year on record. This has been driven by rising greenhouse gas emissions, methane being the second most important. What are the main sources of methane emissions and what is their impact on climate? What technologies and approaches are being introduced to measure and reduce methane emissions? And how are international policy and regulation evolving?</p>
