Farmland with plastic soil cover Yong Wang/ZumaPress

Selamatkan Tanah kita

BERLIN – Perserikatan Bangsa-Bangsa (PBB) telah mendeklarasikan 2015 sebagai Tahun Tanah Internasional dan tanggal 19-23 April menandai pelaksanaan Pekan Global untuk Tanah tahun 2015 ini. Peringatan tersebut, meskipun tidak terlihat megah, tidak mendapatkan perhatian yang sepatutnya diterima.

Tanah tidak terganggu (intact soils) merupakan sumber daya yang sangat berharga dan tidak dapat digantikan, salah satu jenis tanah yang memiliki banyak sekali fungsi untuk mewujudkan tujuan-tujuan pembangunan utama dan lingkungan hidup bagi komunitas internasional. Kini kebutuhan melindungi tanah tersebut bersifat mendesak.

Tanah yang sehat (healthy soils) sangat penting bagi nutrisi manusia dan upaya melawan kelaparan. Manusia bergantung pada tanah tidak hanya untuk produksi pangan namun juga perolehan sumber air minum baru. Tanah membantu pengaturan iklim Bumi, menyimpan lebih banyak karbon dibanding jumlah seluruh hutan dunia (hanya samudera saja yang merupakan carbon sink lebih besar), dan sangat diperlukan untuk menjaga keanekaragaman hayati: segenggam tanah subur mengandung lebih banyak mikroorganisme dibandingkan jumlah manusia di bumi. Dua pertiga spesies makhluk hidup di bumi hidup di bawah permukaan tanah.

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