The Eiffel Tower turned green Sunday for the opening of the Paris climate conference, marking the launch of an art project that will see "virtual trees" grow on the landmark to support reforestation. 

U.N. Secretary-General Ban Ki-moon and Oscar-winning French actress Marion Cotillard attended the launch of the week-long "1 Heart 1 Tree" project, which allows smartphone users to "plant a tree" on the tower.

South Korea's LG Display said Friday it planned to invest close to $9.0 billion in a new plant to produce organic light-emitting diode (OLED) displays, anticipating a surge in demand for the ultra high-definition technology.

Total investment in the plant, to be built in Paju near the border with North Korea, is expected to top 10 trillion won ($8.7 billion), the company said.

Since a top European court ruled people have a right to be forgotten online, Google has received 348,085 requests for tidbits to vanish from search results.

Silicon Valley-based Google, a subsidiary of newly-created parent company Alphabet, complied with less that half of the demands, basing decisions on criteria intended to balance privacy with the public's right to know.

U.S. hotel chain Hilton revealed Tuesday that hackers infected some of its point-of-sale computer systems with malware crafted to steal credit card information.

Hilton would not disclose whether data was taken, but advised anyone who used payment cards at Hilton Worldwide hotels between November 18 and December 5 of last year or April 21 and July 27 of this year to watch for irregular activity on credit or debit card accounts.

Bangladesh authorities insisted Tuesday an almost week-long ban on Facebook and mobile messaging services would remain until security in the tense country improved.

The government last Wednesday ordered Facebook, WhatsApp and Viber blocked over fears of unrest after the country's highest court rejected appeals by two top opposition leaders against the death penalty for war crimes.

New Yorkers can now warn authorities of suspect activities with a tap, thanks to a smartphone phone app to fight terror unveiled Monday on the eve of the U.S. Thanksgiving holiday.

With "See Something, Send Something," people in New York state can quickly send information, be it a short text or photograph, to the New York State Intelligence Center.

The U.S. embassy in Qatar on Monday warned web users about fake social media accounts in the name of its ambassador created "to scam people out of money."

"We have recently been made aware of fake social media accounts claiming to be Ambassador Dana Shell Smith," the embassy said in a press release. 

BDL Accelerate 2015 will gather entrepreneurs, investors, and support institutions from key emerging startup ecosystems across 5 continents. BDL Accelerate 2015 will host 3,000 attendees, 100 speakers, 100 exhibitors, and 100 startups from around the world. BDL Accelerate 2015 will be hosting 2 startup competitions, 2 workshop spaces and 2 hackathons.

Hackathon is not a word one hears everyday but in the tech world it is not so foreign. A Hackathon is an event that provides space for creatives and tech-geeks to come together, form groups around a challenge or idea and collaboratively create unique solutions from scratch. The end result could be a website, mobile app or even a robot.

Heavily reliant on coal-fired electricity, South Africa is launching ambitious new projects aimed at diversifying its energy sources and avoiding the regular power cuts that have hobbled the economy in recent years.

Solar and wind energy plants are mushrooming across the country while the government is planning a huge -- and controversial -- expansion of nuclear power.

Bombed-out buildings tower overhead, and rubble is piled high in the deserted streets of Syria's onetime economic hub Aleppo. Gunshots can be heard in the distance.

The destruction of four years of civil war is overwhelming -- and then you switch your phone off.