The two satellites were launched from Kourou, in French Guiana on Wednesday.
The Vegetation and Environment monitoring on a New Micro Satellite (Venus) is a joint effort between France's National Centre for Space Studies (CNES) and Israel's space agency. This is the first time that a satellite will be monitoring changes in vegetation due to climate change.
Venus will photograph 110 specific sites across the world every two days for two-and-a-half years, charting the impact of climate change on ecosystems and agriculture as well as studying carbon stocks and plant evolution.
The other satellite is on a reconnaissance mission for Italy's defence ministry.