It is (a) — that the new century is now facing various challenges specially environmental (b) —. Feeding the ever growing population is (c) — first and foremost challenge for Bangladesh. It is very difficult to (d) — the current level of agricultural production. Because our agricultural land is being reduced due (e) — human habitat, industrialisation, river (f) — etc. Besides, we are losing our forests gradually. Trees are being cut down (g) — resulting in (h) — increase of pollution. So, it is (i) — to check the reckless alarming condition (j) — our own existence.