NOVA.

NOVA

Can We Cool the Planet?

As global temperatures rise, scientists look to geoengineering solutions, from planting trees to sucking carbon out of the air, as a means to cool the planet. (60 minutes)

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UPCOMING EPISODES

Sun, 7/28 at 3:00 am on Austin PBS HDTV

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Sun, 7/28 at 5:00 pm on Austin PBS HDTV

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Tue, 7/30 at 6:00 pm on Austin PBS WORLD

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Tue, 7/30 at 11:00 pm on Austin PBS WORLD

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Wed, 7/31 at 7:00 am on Austin PBS WORLD

Sunken Ship Rescue

Efforts to secure, raise and salvage the Costa Concordia cruise ship which capsized off the Italian coast on Jan. 13, 2012, killing 32 people. (60 minutes)

Wed, 7/31 at 8:00 pm on Austin PBS HDTV

Operation Bridge Rescue

The rebuilding of the 19th-century Blenheim covered bridge; traditional artisans in China restore ancient covered bridges. (60 minutes)

Thu, 8/1 at 1:00 am on Austin PBS HDTV

Operation Bridge Rescue

The rebuilding of the 19th-century Blenheim covered bridge; traditional artisans in China restore ancient covered bridges. (60 minutes)