The 10th International Conference on "Photosynthesis and Hydrogen Energy Surveys for Sustainable Development" was held in St. Petersburg, Russia, on June 23-28. More than 200 scientists from Australia, Austria, Azerbaijan, Bulgaria, Great Britain, Germany, Israel, Belarus, Ukraine, Iran, Japan, Russia, and other countries took part in the conference. Conference participants had the opportunity to get acquainted with photosynthesis and hydrogen energy, fundamental and applied researches on artificial photosynthesis and nanotechnology. This meeting opened new opportunities for professional relations and cooperation for students, postgraduates and scholars from different countries. Head of the laboratory of Enzymology of Photosynthetic Carbon Assimilation, doctor of sciences in biology Shahniyar Bayramov, junior researcher of Bioadaptation laboratory Nargiz Bayramova and 1st-year master student on the specialty of Biochemistry Leyla Khalilova represented the Institute of Molecular Biology and Biotechnologies. The posters presented by our colleagues were met with great interest.