. >> reporter: asaoka joined the conference as an observer. she welcomed other campaigners to the city and helped raise national interests in the talks. when she returned from paris last month, she went to see the hall where they adopted the kyoto protocol. she says she remembers the event clearly. >> translator: it's been a long road since the kyoto protocol, but we've reached a new level with the paris agreement. >> reporter: critics have said the kyoto protocol was ineffective. but asaoka says without it, they wouldn't have reached the agreement in paris. >> translator: our predecessors worked so hard on the kyoto protocol and the u.n. climate change convention. that's the road we're still traveling down. those agreements are the foundations for this more comprehensive framework. >> reporter: asaoka says the important thing now is how to implement the paris agreement into our daily life. after delegates adopted the kyoto protocol in the late '90s, asaoka campaigned successfully for labels on electric devices to indicate their energy efficie