@techreport{fdi:010078500, title = {{W}e are losing the "{L}ittle things that run the world"}, author = {{G}ordon, {I}. and {C}alatayud, {P}aul-{A}ndr{\'e} and {L}e {G}all, {P}hilippe and {G}arnery, {L}.}, editor = {}, language = {{ENG}}, abstract = {{I}nsects make up about half of all known living organisms. {T}hey play key roles in, pollination, nutrient cycling, food chains of birds and other insectivores, and are one of the pillars of our ecosystems. {H}owever, the wide use of insecticides, fragmentation of habitats and climate change are placing multiple threats on them and their populations are under sharp decline. {T}his {F}oresight {B}rief explores insect services, threats and solutions to sustain insect populations.}, keywords = {{MONDE}}, address = {[s.l.]}, publisher = {{U}nited {N}ations {E}nvironment}, series = {{F}oresight {B}rief}, pages = {9 multigr.}, year = {2019}, URL = {https://www.documentation.ird.fr/hor/fdi:010078500}, }