In this week's roundup, we looked at the top news stories from the B2B tech & telecoms industry. The stories cover topics including 5G, renewable energy, cyber security and data centres.

Here are our highlights:

monday:

Facebook signs first clean energy deal in India

Facebook has signed a major deal to buy clean wind power from a company in India to help power its offices and data centres in Asia.

Read the full story here: https://bit.ly/32rzuGu 

Bharti Airtel splits Indian business into four units in major reorganisation

Telecoms giant Bharti Airtel, which owns mobile operations in Africa as well as India and Sri Lanka, is to split its business into four separate units.

Read the full story here: https://bit.ly/3ty0QGG 

tuesday:

Deutsche Telekom in green cloud project with energy-zero target

Deutsche Telekom’s T-Systems is looking at ways to save up to 20,000 tonnes of CO2 per year at two of its data centres.

Read the full story here: https://bit.ly/3arLpbF 

5G: Rural areas to be allowed taller and wider masts

The government is to allow taller and wider mobile phone masts to be built across the English countryside to speed up the 5G network rollout.

Read the full story here: https://bbc.in/3gqsyBt 

wednesday:

MI5 warns of spies using LinkedIn to trick staff into spilling secrets

At least 10,000 UK nationals have been approached by fake profiles linked to hostile states, on the professional social network LinkedIn, over the past five years, according to MI5.

Read the full story here: https://bbc.in/3argIDF 

Serverfarm acquires T5 data centre for $71m

Serverfarm has bought its first data centre in its home state of California, acquiring a facility from the T5 Data Centers business for $71 million.

Read the full story here: https://bit.ly/3apOqcI 

thursday:

Tesla builds its own data centre in china

Tesla is building a data centre in Shanghai to hold all the data of its Chinese customers in their own country, to comply with Chinese cyber security law.

Read the full story here: https://bit.ly/3avsH2Y

amazon unveils nine green energy projects to power data centres

Amazon has announced nine new “utility-scale” wind and solar energy projects in North America and Europe. The power generated will help it power its offices, depots, stores and AWS data centres internationally with certified renewable energy.

Read the full story here: https://bit.ly/3avsVak

friday:

Signal slams Cellebrite security company over alleged security holes

Encrypted-messaging app Signal says it has found flaws in software used by cyber-security company Cellebrite.

Read the full story here: https://bbc.in/3gFxQsW 

Nautilus floats first river edge data centre in California

Nautilus Data Technologies has finally commissioned its first floating data centre at the Port of Stockton in California, using recycled river water.

Read the full story here: https://bit.ly/3guqjNL