With the world's population expected to hit 9.7 billion by 2050, agriculture needs to become more productive and sustainable. By Xinyi Lim

As the world warms, diseases transmitted by insects may spread. For World Health Day, we look at how certain prevention strategies can break the link between climate change and animal diseases which spread to humans. By Ilan Kelman

Airlines such as Lufthansa and Ryanair are clashing over the European Union's airport slot rules. Are "ghost flights" a thing, or are the carriers just stoking climate fear? By Arabesque

Global tensions are spilling over into Arctic affairs. Environmental changes in the Arctic can shift international relations by raising the stakes associated with access to and control of the Arctic waters. By Henry P Huntington, Andrey Zagorsky, Bjørn P Kaltenborn, Hyoung Chul Shin, Jackie Dawson, Maija Lukin, Parnuna Egede Dahl, Peiqing Guo and David N Thomas