- June 25, 2017

I join our Muslim brothers and sisters in celebration of Eid al-Fitr. May this day bring happiness and good tidings… https://t.co/nCPNXmTKE1

- June 24, 2017

With State Secretary @JochenFlasbarth of the German Federal Ministry for the Environment. Great talk on the Paris A… https://t.co/F1fOSTLxS6

- June 23, 2017

Discussing #energy efficiency policies over sandwiches with Secretary Cusi of the DOE and Congressman Velasco of th… https://t.co/Di1TZyI6Qy

- June 23, 2017

Went to Pellworm, a 100% renewable island in the North Sea. It produces its own green energy via #solar panels, bio… https://t.co/VZxIDfSHoI

- June 22, 2017

Expert lecture from Younicos. Learned about the role of battery in promoting #renewables and providing reliable ene… https://t.co/g48M3IfoaS