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隨著近年極端天氣越見頻繁，我們越來越感受到氣候變化所帶來的影響。香港作為已發展城市，訂下2050年達至碳中和的目標後，應該用盡辦法減碳，以控制全球氣溫升幅在攝氏1.5度以下。雖然香港具有發展可再生能源的潛力，但土地資源珍貴，土地使用者盡用每一寸土地作不同用途已經司空見慣，而且不同土地用途亦經常互相競爭。為了美化環境及減緩熱島效應，很多建築物業主或物業管理人都會選擇進行綠化，把普通的天台改建成綠化天台；同時亦有不少人選擇在屋頂安裝太陽能光伏系統，取得額外電力供應，亦可賺取上網電價收入。此外，香港亦有物業發展商有意在閒置多年的農地上安裝太陽能板，表示希望地盡其用。把太陽能系統與種植植物或農作物結合看似有矛盾的地方，因為植物生長最基本需要水、陽光及土地，而太陽能光伏系統覆蓋在植物上方，正正違反了植物最基本的生長環境要求。但只要細心規劃，兩者其實可以互補優勢，更有效使用珍貴的空間。本文將探討香港在天台或農地將太陽能光伏系統與綠化或耕種農作物結合的好處、挑戰及需要注意的地方…

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The increasing occurrence of extreme weather events over the past few years has underscored the impact of climate change is having on our planet. As a developed city that has set itself a target of carbon neutrality by the year 2050, Hong Kong must do everything within its power to reduce its carbon emissions in order to contain the global temperature rise to below 1.5°C. Despite Hong Kong’s potential to expand the use of renewable energy, the scarcity of the territory’s land resources means that on top of fierce competition on the usage of every piece of land, owners are already maximising the utility of every square inch on their plot.

(more…)

The increasing occurrence of extreme weather events over the past few years has underscored the impact of climate change is having on our planet. As a developed city that has set itself a target of carbon neutrality by the year 2050, Hong Kong must do everything within its power to reduce its carbon emissions in order to contain the global temperature rise to below 1.5°C. Despite Hong Kong’s potential to expand the use of renewable energy, the scarcity of the territory’s land resources means that on top of fierce competition on the usage of every piece of land, owners are already maximising the utility of every square inch on their plot.

(more…)