Article 85 of the TPC:

(1) Any person who causes the death of another by reckless conduct shall be sentenced to a penalty of imprisonment for a term of two to six years. 

(2) If the act results in the death of more than one person, or the injury of more than one person together with death of one or more persons, the offender shall be sentenced to a penalty of imprisonment for a term of two to fifteen years.

Article 182 of the TPC:

(1) Any person who discharges waste or refuse material into the earth, water or air through his recklessness such as to cause environmental damage shall be sentenced to a penalty of a judicial fine.

Where the waste or refuse material has the propensity to remain in the earth, water or air then the penalty to be imposed shall be imprisonment for a term of two months to one year.

(2) Any person who causes, by his recklessness, the discharge of waste or refuse material which has a characteristic which may cause the alteration of the natural characteristics of plants or animals, enhance or create infertility or cause an incurable illness in humans and animals, the offender shall be sentenced to a penalty of imprisonment for a term of one to five years.