I end up with lots of debris in orbit, so, I downloaded a mod and built a rocket which lets me shot them down with a laser.

Download this mod from:
http://kerbalspaceprogram.com/forum/showthread.php/6014-PLUGIN-PART-0-14-SUNBEAM-Laser-2-1

Kerbal Space Program is an Indie Game developed by Squad, download it from http://www.kerbalspaceprogram.com

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Test Flying A Rocket Designed By A Child - Kerbal Space Program
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Kerbal Space Program - Mods Mods Mods
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Kerbal Space Program - Rescaled Kerbin Mod
Kerbal Space Program - Kerbtown & Kerbin City
Kerbal Space Program - Kerbtown & Kerbin City
Universe Sandbox - Binary, Trinary, Quartenary Star Systems
Universe Sandbox - Binary, Trinary, Quartenary Star Systems
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Kerbal Space Program - Interstellar Mod - Non OP Warp Drive
Scott's First Attempt At Kerbal Space Program 0.17 - Part 1
Scott's First Attempt At Kerbal Space Program 0.17 - Part 1
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Nerd³ Challenges! SpacePlane™ - Kerbal Space Program
Scott Plays Gimbal
Scott Plays Gimbal
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Kerbal Space Program - The Interstellar Quest - Episode 1
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Tiny 3 Part Rocket - How Far Can It Go? - Kerbal Space Program 0.16
100 Tons Space Debris Will Fall Down to Earth 2015
100 Tons Space Debris Will Fall Down to Earth 2015
Eve Online Beginners Guide - The 10 Things To Know Before You Start Playing
Eve Online Beginners Guide - The 10 Things To Know Before You Start Playing
How To Find Easter Eggs In Kerbal Space Program Using Mapsat Mod
How To Find Easter Eggs In Kerbal Space Program Using Mapsat Mod
Existe Vida Além da Terra? (Documentário-2011)
Existe Vida Além da Terra? (Documentário-2011)
Xenonauts - Part 7 - Hunting In A Winter Wonderland
Xenonauts - Part 7 - Hunting In A Winter Wonderland
Kerbal Space Program - Interstellar Quest - Episode 76 - K.R.A.K.E.N.
Kerbal Space Program - Interstellar Quest - Episode 76 - K.R.A.K.E.N.
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KERBAL SPACE PROGRAM 16 | LAND SPEED RECORD + FIRESPITTER
Kerbal Space Program - Beating First Contract in 2 Missions - Part 1
Kerbal Space Program - Beating First Contract in 2 Missions - Part 1
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Rescuing a Capsule Around Minmus in Kerbal Space Program
Playing around in Kerbal Space Program
Playing around in Kerbal Space Program
How Are Asteroids Discovered?
How Are Asteroids Discovered?
Viking Space Program - Attack Helicopter, Missles & Railguns!
Viking Space Program - Attack Helicopter, Missles & Railguns!
Kerbal Space Program - Guide To The 10 Most Essential Mods & Add Ons
Kerbal Space Program - Guide To The 10 Most Essential Mods & Add Ons
KSP - (Sorta) How to Design a Space Shuttle
KSP - (Sorta) How to Design a Space Shuttle
Happy Wheels - Part 44 | DIE BILLY!!!
Happy Wheels - Part 44 | DIE BILLY!!!
Kerbal Space Program: +25 Things To Do With Your Kerbals
Kerbal Space Program: +25 Things To Do With Your Kerbals
Kerbal Space Program - GREEN BASTARD
Kerbal Space Program - GREEN BASTARD
Kerbal Space Program 29 | PLANE STACK CHALLENGE
Kerbal Space Program 29 | PLANE STACK CHALLENGE
Kerbal Space Program - Recovery And Reuse Tutorial in First Contract
Kerbal Space Program - Recovery And Reuse Tutorial in First Contract
Kerbal Space Program 27 | SPACE PLANE DONE RIGHT
Kerbal Space Program 27 | SPACE PLANE DONE RIGHT
Kerbal Space Program: 25 things to do with your Kerbals
Kerbal Space Program: 25 things to do with your Kerbals
What is Random?
What is Random?
The Titan Mk4 - Kerbal Space Program (modded)
The Titan Mk4 - Kerbal Space Program (modded)
Kerbal Space Program 30 | LANDING UPSIDE DOWN CHALLENGE
Kerbal Space Program 30 | LANDING UPSIDE DOWN CHALLENGE
Kerbal Space Program - Building a Moonbase Part 1: Let's Get Started!
Kerbal Space Program - Building a Moonbase Part 1: Let's Get Started!
Two Saiyans Play: Magicka- Part 2
Two Saiyans Play: Magicka- Part 2
♪ Diggy Diggy Hole
♪ Diggy Diggy Hole
WORST GAME EVER - Country Justice: Revenge of the Rednecks review
WORST GAME EVER - Country Justice: Revenge of the Rednecks review
Kerbal Space Program - Our Campaign - 001 - 'To Space!'
Kerbal Space Program - Our Campaign - 001 - 'To Space!'
KSP - Removing Debris From LKO Without a Docking Clamp
KSP - Removing Debris From LKO Without a Docking Clamp
Minecraft - Hole Diggers 9 - Cloud Mining
Minecraft - Hole Diggers 9 - Cloud Mining
Kerbal Space Program - 0.24 Early Access - Even More Updates
Kerbal Space Program - 0.24 Early Access - Even More Updates
Mechanical Mouse Industries - Kerbal Space Program Mod Spotlight
Mechanical Mouse Industries - Kerbal Space Program Mod Spotlight
NASA IN A NUTSHELL! - Kerbal Space Program Gameplay
NASA IN A NUTSHELL! - Kerbal Space Program Gameplay
Kerbal Space Program 28 | THE DOUBLE PLANE
Kerbal Space Program 28 | THE DOUBLE PLANE
Double Hetler.
Double Hetler.
Minecraft Mods - Holodeck - YogLabs
Minecraft Mods - Holodeck - YogLabs
Quickscope Simulator
Quickscope Simulator
Kerbal Space Program #4
Kerbal Space Program #4