In Brazil, black COVID-19 patients are dying at higher rates than white patients. Worse housing quality, working conditions and health care help to explain the pandemic's racially disparate toll.
The 17 goals seek to end all forms of poverty everywhere by 2030, by achieving 169 targets. Progress in achieving them does not match the hype.
New research looked at human impacts on more than 5,000 threatened species and found that a quarter of them have almost nowhere left to go to escape from the threats posed by human development.
The gaps in African government are twofold: governance and education. It is important to focus on both areas to bring about overall improvements.
Most researchers use the UN's Human Development Index to measure each country's progress, but that system has flaws. A new, simplified index aims to do it better.