From 2013-2019, Chinese companies signed $61.6 billion worth of rail construction contracts with other countries. China's support for rail infrastructure development across the globe provides an opportunity for Beijing to drive regional connectivity and reap the resulting economic and political benefits. 

SOURCE: "How are Foreign Rail Construction Projects Advancing China's Interests" by the CSIS China Power Project. 
 

Powering and heating buildings contributes 28% of global CO2 emissions. While decarbonizing buildings in advanced economies will require retrofits, developing economies can prioritize efficiency in design as new construction grows.

SOURCE: "Climate Solutions Series: Decarbonizing the Built Environment" by CSIS's Stephen J. Naimoli. 

The Air Force has stabilized its force structure at about 5,500 aircraft. However, it is not buying enough new aircraft to maintain the inventory over the long term, and increasing procurement to the levels needed will require historically high costs.

SOURCE: "U.S. Military Forces in FY 2021: Air Force" by CSIS's Mark Cancian.
 

In 2019, 150,000 children worldwide were newly infected with HIV. Lockdowns due to Covid-19 have interrupted the supply of lifesaving medications, limited access to health facilities for antenatal care, and have led to more teenage pregnancies, increasing the likelihood children are born with HIV in 2020.

SOURCE: "Renewing Global Commitments to Pediatric HIV within the Covid-19 Response" by CSIS's Katherine Bliss and Maggie McCarten-Gibbs.