Photo: Julie Dermansky/Corbis / Getty Images

European oil and natural gas giant BP announced Friday it's investing $200 million over three years in Lightsource, one of Europe's largest solar companies, to acquire a 43% stake in the business.

The big picture: This is another sign of how big oil is slowly and gradually investing in lower-carbon technologies, alongside continued investments in oil and natural gas, driven by a series of overlapping factors, such as the notion of slowing oil demand and investor concern about climate change.

Yes but: This is a drop in the bucket compared to BP's nearly $2 billion net profit it disclosed as its most recent quarterly earnings. BP's renewable-energy assets, which also include wind farms in the U.S. and biofuels in Brazil, aren't "making a material difference to the bottom line," BP CEO Bob Dudley told an oil conference earlier this year.

Go deeper:

Go deeper

Wind and solar power hit record global market shares in first half of 2020

Reproduced from Ember; Chart: Axios Visuals

A steep decline in coal-fired power combined with rising wind and solar output drove the carbon-free sources to record global market share in the first half of 2020, per a new analysis from the environmental think tank Ember.

Why it matters: The report shows how the coronavirus pandemic is speeding the ongoing shakeup of the global power mix — but also how it's occurring too slowly to reach international climate goals.

Trump vows to block stimulus funding for mail-in voting and USPS

President Trump on Thursday told Fox Business' Maria Bartiromo that Democratic demands to fund mail-in voting and the U.S. Postal Service in ongoing coronavirus stimulus negotiations were a non-starter.

Why it matters: Trump directly linked Democrats' desired $3.6 billion for mail-in voting and $25 billion for the USPS to his continued baseless claims that increased mail-in voting will lead to widespread voter fraud.

BodyArmor takes aim at Gatorade's sports drink dominance

Illustration: Eniola Odetunde/Axios

BodyArmor is making noise in the sports drink market, announcing seven new athlete partnerships last week, including Christian McCaffrey, Sabrina Ionescu and Ronald Acuña Jr.

Why it matters: It wants to market itself as a worthy challenger to the throne that Gatorade has occupied for nearly six decades.