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Rodney finally invites Jennifer on a date; to attend a science conference with him. But petty jealousies arise at the conference that have to be suppressed when a proposed solution for global warming has potentially lethal side effects.

Rodney is returning to Earth for his 2 weeks of leave and to attend a colleague's presentation on a scientific breakthrough. He's also managed to work up the gumption to ask Jennifer Keller if she will accompany him and she agrees. On Earth, they're attending a scientific conference hosted by Rodney's rival, Malcolm Tunney, against whom he has been competing for most of his life. When Tunney announces technology to solve global warming, McKay accuses him of stealing his ideas. Tunney decides to give his guests a live demonstration but when he finds he can't turn the device off, he turns to McKay for help. The crisis also allows McKay and Jennifer to express their true feelings for one another.—garykmcd

When the Atlantis team is given two weeks of vacation leave, Dr. Rodney McKay reluctantly accepts an invitation by his former rival, Malcolm Tunney. Tunney wants McKay to attend a scientific demonstration that he claims will be the solution to global warming. Feeling bold, McKay asks Dr. Jennifer Keller to accompany him and she accepts. Upon reaching Earth, they are flown, by private leer jet, to a top-secret facility in the middle of a desert.

Once there, McKay is shocked by Tunney's brazen claims that he's invented a device that can cool the Earth by venting excess heat from our space/time into another space/time - an idea McKay had already pursued two years earlier. Despite Rodney's mounting concerns over its safety, Tunney activates his new technology, dropping the heat contained inside the facility by 10 degrees. But when the device reaches this goal and will not disengage, McKay realizes he has to work fast or everyone trapped inside the premises will freeze to death within the hour.