Mwezi watha, mamembala 30 a Chinese National Building Waterproof Association, omwe akuyimira opanga denga la ku China, ndi akuluakulu aboma la China anabwera ku Berkeley Lab kudzacheza tsiku lonse pa denga lozizira. Ulendo wawo unachitika ngati gawo la polojekiti yoziziritsa denga ya US-China Clean Energy Research Center ¡ª Building Energy Efficiency. Ophunzira adaphunzira momwe denga lozizira ndi zipangizo zopangira miyala zingachepetse kutentha kwa mzinda, kuchepetsa kuchuluka kwa mpweya wozizira m'nyumba, komanso kutentha pang'onopang'ono kwa dziko lapansi. Nkhani zina zikuphatikizapo denga lozizira m'miyezo yogwiritsira ntchito mphamvu bwino m'nyumba za ku US, komanso momwe denga lozizira lingakhudzire kugwiritsa ntchito denga lozizira ku China.