ZoomEarth | New satellite images every day (Note: Bing Maps provides the high resolution imagery. NASA satellites VIIRS, Aqua and Terra provide the daily imagery. Globe images are captured hourly by DSCOVR.)
World Resources Institute | WRI Data Platforms (explore 253 environmental datasets!)
World Resources Institute: WRI Planet Pulse, WRI Landsat 1999-2016, WRI Climate Watch
Global Mountain Biodiversity Assessment (GMBA)
Global Mountain Explorer (GME)
Indigenous Mountain Peoples Map (Mountain Partnership, with GMBA) (also here)
UN Biodiversity Lab (UNDP, UNEP & CBD; launched in July 2018)
ResourceWatch beta - explore global datasets
WOCAT – Global database on sustainable land management
NOAA Global Climate Data Online
Paris Equity Check | How much global warming is each country’s pledge leading to?
Outerra - 3D planetary engine for seamless planet rendering from space down to the surface