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Di tempat kerja, sekitar 30% dari tagihan listrik yang telah dihabiskan pada pencahayaan ruang. Mengurangi jumlah konsumsi juga dapat menghemat banyak uang dan juga dapat membantu mengurangi jejak karbon Anda. Ada tiga cara di mana seseorang dapat mengurangi jumlah energi yang dikonsumsi dari pencahayaan :

Kurangi jumlah lampu: tempat kerja Kebanyakan terlalu berlebihan menyala. Hal ini biasanya sebagai hasil dari pencahayaan tukang lebih menentukan persyaratan atau lebih jahat, menjual lampu lebih untuk dapat meningkatkan keuntungan mereka dari fit-out. Sebuah tempat kerja yang khas membutuhkan kualitas cahaya yang baik (hangat, tidak terlalu putih) yang telah memiliki output pencahayaan approx. 600 lux. Saya menantang Anda untuk mendapatkan lux meter dan menguji keluaran cahaya Anda – kemungkinan dalam 1000s tersebut. Untuk dapat mengatasi masalah yang satu ini cukup dapat hanya delamp (menghapus lampu) dari daerah yang lebih dari menyala. Jika salah satu dihapus 50 36W lampu neon dari kantor, tabungan akan setara dengan 2,5 ton CO2e (yaitu setara dengan menghapus sebuah mobil ukuran rata-rata dari jalan selama setahun)

Kurangi jumlah lampu yang tersisa pada: Biasanya lampu di tempat kerja yang tersisa di dalam kamar kosong / ruang pertemuan dan keluar dari jam kantor. Instalasi sensor cahaya (PIR, gerakan, audio atau sensor luminance) atau menjalankan matikan kampanye dapat secara dramatis mengurangi jumlah waktu yang tersisa pada lampu di ruang yang tidak terpakai

Beralih ke teknologi pencahayaan alternatif yang lebih efisien: Saat ini ada banyak energi alternatif pencahayaan efisien yang telah memberikan output cahaya yang cocok untuk sebagian kecil dari konsumsi. Apakah saya mendukung – waktu berikutnya Anda menghidupkan lampu pijar atau lampu halogen, meletakkan tangan Anda dekat cahaya dan merasakan panas. Ini akan terik panas. Mengapa? Karena 90% dari energi yang digunakan untuk dapat menghasilkan cahaya pada kenyataannya diubah menjadi panas. Hal ini sangat tidak efisien – menggunakan energi untuk dapat menciptakan cahaya bahwa sebenarnya menciptakan panas. Alternatif yang efisien energi yang baik termasuk lampu neon kompak (CFL) yang dapat menggantikan incandescents, dan LED (Light Emitting Dioda) yang dapat menggantikan halogen. Lampu LED masih teknologi yang relatif baru lahir Namun, ada sejumlah produk baik yang satu sekarang dapat mengambil di toko DIY lokal yang bertahan lebih lama daripada teknologi yang lebih tua dan memberikan output cahaya yang layak.

Rekomendasi saya adalah untuk dapat menguji beberapa lampu untuk kesesuaian sebelum berinvestasi.

Jika Anda telah memiliki tempat kerja sangat terang itu benar-benar menghabiskan waktu berharga dan usaha untuk mendapatkan kebutuhan pencahayaan yang benar.


BALTIMORE — In the afternoons, the streets of Locust Point are clean and nearly silent. In front of the rowhouses, potted plants rest next to steps of brick or concrete. There is a shopping center nearby with restaurants, and a grocery store filled with fresh foods.

And the National Guard and the police are largely absent. So, too, residents say, are worries about what happened a few miles away on April 27 when, in a space of hours, parts of this city became riot zones.

“They’re not our reality,” Ashley Fowler, 30, said on Monday at the restaurant where she works. “They’re not what we’re living right now. We live in, not to be racist, white America.”

As Baltimore considers its way forward after the violent unrest brought by the death of Freddie Gray, a 25-year-old black man who died of injuries he suffered while in police custody, residents in its predominantly white neighborhoods acknowledge that they are sometimes struggling to understand what beyond Mr. Gray’s death spurred the turmoil here. For many, the poverty and troubled schools of gritty West Baltimore are distant troubles, glimpsed only when they pass through the area on their way somewhere else.

Officers blocked traffic at Pennsylvania and West North Avenues after reports that a gun was discharged in the area. Credit Drew Angerer for The New York Times

And so neighborhoods of Baltimore are facing altogether different reckonings after Mr. Gray’s death. In mostly black communities like Sandtown-Winchester, where some of the most destructive rioting played out last week, residents are hoping businesses will reopen and that the police will change their strategies. But in mostly white areas like Canton and Locust Point, some residents wonder what role, if any, they should play in reimagining stretches of Baltimore where they do not live.

“Most of the people are kind of at a loss as to what they’re supposed to do,” said Dr. Richard Lamb, a dentist who has practiced in the same Locust Point office for nearly 39 years. “I listen to the news reports. I listen to the clergymen. I listen to the facts of the rampant unemployment and the lack of opportunities in the area. Listen, I pay my taxes. Exactly what can I do?”

And in Canton, where the restaurants have clever names like Nacho Mama’s and Holy Crepe Bakery and Café, Sara Bahr said solutions seemed out of reach for a proudly liberal city.

“I can only imagine how frustrated they must be,” said Ms. Bahr, 36, a nurse who was out with her 3-year-old daughter, Sally. “I just wish I knew how to solve poverty. I don’t know what to do to make it better.”

The day of unrest and the overwhelmingly peaceful demonstrations that followed led to hundreds of arrests, often for violations of the curfew imposed on the city for five consecutive nights while National Guard soldiers patrolled the streets. Although there were isolated instances of trouble in Canton, the neighborhood association said on its website, many parts of southeast Baltimore were physically untouched by the tumult.

Tensions in the city bubbled anew on Monday after reports that the police had wounded a black man in Northwest Baltimore. The authorities denied those reports and sent officers to talk with the crowds that gathered while other officers clutching shields blocked traffic at Pennsylvania and West North Avenues.

Lt. Col. Melvin Russell, a community police officer, said officers had stopped a man suspected of carrying a handgun and that “one of those rounds was spent.”

Colonel Russell said officers had not opened fire, “so we couldn’t have shot him.”

Lambi Vasilakopoulos, right, who runs a casual restaurant in Canton, said he was incensed by last week's looting and predicted tensions would worsen. Credit Drew Angerer for The New York Times

The colonel said the man had not been injured but was taken to a hospital as a precaution. Nearby, many people stood in disbelief, despite the efforts by the authorities to quash reports they described as “unfounded.”

Monday’s episode was a brief moment in a larger drama that has yielded anger and confusion. Although many people said they were familiar with accounts of the police harassing or intimidating residents, many in Canton and Locust Point said they had never experienced it themselves. When they watched the unrest, which many protesters said was fueled by feelings that they lived only on Baltimore’s margins, even those like Ms. Bahr who were pained by what they saw said they could scarcely comprehend the emotions associated with it.

But others, like Lambi Vasilakopoulos, who runs a casual restaurant in Canton, said they were incensed by what unfolded last week.

“What happened wasn’t called for. Protests are one thing; looting is another thing,” he said, adding, “We’re very frustrated because we’re the ones who are going to pay for this.”

There were pockets of optimism, though, that Baltimore would enter a period of reconciliation.

“I’m just hoping for peace,” Natalie Boies, 53, said in front of the Locust Point home where she has lived for 50 years. “Learn to love each other; be patient with each other; find justice; and care.”

A skeptical Mr. Vasilakopoulos predicted tensions would worsen.

“It cannot be fixed,” he said. “It’s going to get worse. Why? Because people don’t obey the laws. They don’t want to obey them.”

But there were few fears that the violence that plagued West Baltimore last week would play out on these relaxed streets. The authorities, Ms. Fowler said, would make sure of that.

“They kept us safe here,” she said. “I didn’t feel uncomfortable when I was in my house three blocks away from here. I knew I was going to be O.K. because I knew they weren’t going to let anyone come and loot our properties or our businesses or burn our cars.”

Baltimore Residents Away From Turmoil Consider Their Role

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