*TV ONE has announced it will also telecast tonight’s two-hour Hope For Haiti telethon, a joint effort by MTV Networks and actor George Clooney beginning at 8 p.m. ET.

[Scroll down to watch Clooney’s interview about the telethon with MTV’s Sway.]

Also providing telethon coverage: ABC, CBS, NBC, FOX, CNN, BET, The CW, HBO, MTV, VH1, CMT, PBS, TNT, Showtime, Comedy Central, Bravo, E! Entertainment, National Geographic Channel, Oxygen, G4, Centric, Current TV, Fuse, MLB Network, EPIX, Palladia, SoapNet, Style, Discovery Health, Planet Green, CNN en Español and HBO Latino.

Canadian networks broadcasting the event include CBC Television, CTV, Global Television, and MuchMusic.

The telethon will be live streamed online globally across sites including YouTube, Hulu, MySpace, Fancast, AOL, MSN.com, Yahoo, Bing.com, BET.com, CNN.com, MTV.com, VH1.com, and Rhapsody and on mobile via Alltel, AT&T, Sprint, Verizon, and FloTV.

“Hope for Haiti Now” will also air internationally on BET International, CNN International, National Geographic, and MTV Networks International, which is available in 640 million homes worldwide.

“Hope for Haiti Now” will be available non-exclusively to all terrestrial radio stations around the globe and SIRIUS XM Radio as a one time only radio broadcast via the MTV Radio Network and Westwood One.

Proceeds from the telethon will be split evenly among The Clinton Bush Haiti Fund, United Nations World Food Programme, Oxfam America, Partners in Health, The Red Cross, UNICEF and the Yele Haiti Foundation.

Below, Clooney talks with MTV’s Sway about his hopes for tonight’s telethon.